[lustre-devel] [PATCH 11/11] staging: lustre: fix all conditional comparison to zero in LNet layer
James Simmons
jsimmons at infradead.org
Fri Feb 12 09:06:09 PST 2016
Doing if (rc != 0) or if (rc == 0) is bad form. This patch corrects
the LNet code to behavior according to kernel coding standards.
Signed-off-by: James Simmons <jsimmons at infradead.org>
---
.../staging/lustre/include/linux/lnet/lib-lnet.h | 21 +--
.../staging/lustre/include/linux/lnet/lib-types.h | 2 +-
.../staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c | 137 +++++++-------
.../staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h | 14 +-
.../staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c | 186 ++++++++++----------
.../lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c | 2 +-
.../staging/lustre/lnet/klnds/socklnd/socklnd.c | 139 +++++++--------
.../staging/lustre/lnet/klnds/socklnd/socklnd_cb.c | 148 ++++++++--------
.../lustre/lnet/klnds/socklnd/socklnd_lib.c | 42 +++---
.../lustre/lnet/klnds/socklnd/socklnd_proto.c | 54 +++---
drivers/staging/lustre/lnet/lnet/acceptor.c | 36 ++--
drivers/staging/lustre/lnet/lnet/api-ni.c | 113 ++++++------
drivers/staging/lustre/lnet/lnet/config.c | 63 ++++----
drivers/staging/lustre/lnet/lnet/lib-eq.c | 18 +-
drivers/staging/lustre/lnet/lnet/lib-md.c | 42 +++---
drivers/staging/lustre/lnet/lnet/lib-me.c | 4 +-
drivers/staging/lustre/lnet/lnet/lib-move.c | 92 +++++-----
drivers/staging/lustre/lnet/lnet/lib-msg.c | 22 ++--
drivers/staging/lustre/lnet/lnet/lib-ptl.c | 52 +++---
drivers/staging/lustre/lnet/lnet/lib-socket.c | 58 +++---
drivers/staging/lustre/lnet/lnet/module.c | 8 +-
drivers/staging/lustre/lnet/lnet/nidstrings.c | 52 +++---
drivers/staging/lustre/lnet/lnet/peer.c | 12 +-
drivers/staging/lustre/lnet/lnet/router.c | 52 +++---
drivers/staging/lustre/lnet/lnet/router_proc.c | 46 +++---
drivers/staging/lustre/lnet/selftest/brw_test.c | 36 ++--
drivers/staging/lustre/lnet/selftest/conctl.c | 12 +-
drivers/staging/lustre/lnet/selftest/conrpc.c | 102 ++++++------
drivers/staging/lustre/lnet/selftest/console.c | 168 +++++++++---------
drivers/staging/lustre/lnet/selftest/framework.c | 79 ++++-----
drivers/staging/lustre/lnet/selftest/module.c | 10 +-
drivers/staging/lustre/lnet/selftest/ping_test.c | 10 +-
drivers/staging/lustre/lnet/selftest/rpc.c | 130 +++++++-------
drivers/staging/lustre/lnet/selftest/selftest.h | 10 +-
drivers/staging/lustre/lnet/selftest/timer.c | 4 +-
35 files changed, 985 insertions(+), 991 deletions(-)
diff --git a/drivers/staging/lustre/include/linux/lnet/lib-lnet.h b/drivers/staging/lustre/include/linux/lnet/lib-lnet.h
index 618126b..b0f80b4 100644
--- a/drivers/staging/lustre/include/linux/lnet/lib-lnet.h
+++ b/drivers/staging/lustre/include/linux/lnet/lib-lnet.h
@@ -72,8 +72,8 @@ static inline int lnet_is_wire_handle_none(lnet_handle_wire_t *wh)
static inline int lnet_md_exhausted(lnet_libmd_t *md)
{
- return (md->md_threshold == 0 ||
- ((md->md_options & LNET_MD_MAX_SIZE) != 0 &&
+ return (!md->md_threshold ||
+ ((md->md_options & LNET_MD_MAX_SIZE) &&
md->md_offset + md->md_max_size > md->md_length));
}
@@ -85,13 +85,13 @@ static inline int lnet_md_unlinkable(lnet_libmd_t *md)
* LNetM[DE]Unlink, in the latter case md may not be exhausted).
* - auto unlink is on and md is exhausted.
*/
- if (md->md_refcount != 0)
+ if (md->md_refcount)
return 0;
- if ((md->md_flags & LNET_MD_FLAG_ZOMBIE) != 0)
+ if (md->md_flags & LNET_MD_FLAG_ZOMBIE)
return 1;
- return ((md->md_flags & LNET_MD_FLAG_AUTO_UNLINK) != 0 &&
+ return ((md->md_flags & LNET_MD_FLAG_AUTO_UNLINK) &&
lnet_md_exhausted(md));
}
@@ -186,12 +186,11 @@ lnet_md_alloc(lnet_md_t *umd)
unsigned int size;
unsigned int niov;
- if ((umd->options & LNET_MD_KIOV) != 0) {
+ if (umd->options & LNET_MD_KIOV) {
niov = umd->length;
size = offsetof(lnet_libmd_t, md_iov.kiov[niov]);
} else {
- niov = ((umd->options & LNET_MD_IOVEC) != 0) ?
- umd->length : 1;
+ niov = umd->options & LNET_MD_IOVEC ? umd->length : 1;
size = offsetof(lnet_libmd_t, md_iov.iov[niov]);
}
@@ -212,7 +211,7 @@ lnet_md_free(lnet_libmd_t *md)
{
unsigned int size;
- if ((md->md_options & LNET_MD_KIOV) != 0)
+ if (md->md_options & LNET_MD_KIOV)
size = offsetof(lnet_libmd_t, md_iov.kiov[md->md_niov]);
else
size = offsetof(lnet_libmd_t, md_iov.iov[md->md_niov]);
@@ -364,14 +363,14 @@ lnet_peer_decref_locked(lnet_peer_t *lp)
{
LASSERT(lp->lp_refcount > 0);
lp->lp_refcount--;
- if (lp->lp_refcount == 0)
+ if (!lp->lp_refcount)
lnet_destroy_peer_locked(lp);
}
static inline int
lnet_isrouter(lnet_peer_t *lp)
{
- return lp->lp_rtr_refcount != 0;
+ return lp->lp_rtr_refcount ? 1 : 0;
}
static inline void
diff --git a/drivers/staging/lustre/include/linux/lnet/lib-types.h b/drivers/staging/lustre/include/linux/lnet/lib-types.h
index 42f08c8..d769c35 100644
--- a/drivers/staging/lustre/include/linux/lnet/lib-types.h
+++ b/drivers/staging/lustre/include/linux/lnet/lib-types.h
@@ -359,7 +359,7 @@ struct lnet_peer_table {
* peer aliveness is enabled only on routers for peers in a network where the
* lnet_ni_t::ni_peertimeout has been set to a positive value
*/
-#define lnet_peer_aliveness_enabled(lp) (the_lnet.ln_routing != 0 && \
+#define lnet_peer_aliveness_enabled(lp) (the_lnet.ln_routing && \
(lp)->lp_ni->ni_peertimeout > 0)
typedef struct {
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
index a3d654a..2e7b5ca 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
@@ -63,7 +63,7 @@ static __u32 kiblnd_cksum(void *ptr, int nob)
sum = ((sum << 1) | (sum >> 31)) + *c++;
/* ensure I don't return 0 (== no checksum) */
- return (sum == 0) ? 1 : sum;
+ return !sum ? 1 : sum;
}
static char *kiblnd_msgtype2str(int type)
@@ -257,7 +257,7 @@ int kiblnd_unpack_msg(kib_msg_t *msg, int nob)
*/
msg_cksum = flip ? __swab32(msg->ibm_cksum) : msg->ibm_cksum;
msg->ibm_cksum = 0;
- if (msg_cksum != 0 &&
+ if (msg_cksum &&
msg_cksum != kiblnd_cksum(msg, msg_nob)) {
CERROR("Bad checksum\n");
return -EPROTO;
@@ -354,7 +354,7 @@ int kiblnd_create_peer(lnet_ni_t *ni, kib_peer_t **peerp, lnet_nid_t nid)
write_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
/* always called with a ref on ni, which prevents ni being shutdown */
- LASSERT(net->ibn_shutdown == 0);
+ LASSERT(!net->ibn_shutdown);
/* npeers only grows with the global lock held */
atomic_inc(&net->ibn_npeers);
@@ -370,10 +370,10 @@ void kiblnd_destroy_peer(kib_peer_t *peer)
kib_net_t *net = peer->ibp_ni->ni_data;
LASSERT(net);
- LASSERT(atomic_read(&peer->ibp_refcount) == 0);
+ LASSERT(!atomic_read(&peer->ibp_refcount));
LASSERT(!kiblnd_peer_active(peer));
- LASSERT(peer->ibp_connecting == 0);
- LASSERT(peer->ibp_accepting == 0);
+ LASSERT(!peer->ibp_connecting);
+ LASSERT(!peer->ibp_accepting);
LASSERT(list_empty(&peer->ibp_conns));
LASSERT(list_empty(&peer->ibp_tx_queue));
@@ -609,7 +609,7 @@ static void kiblnd_setup_mtu_locked(struct rdma_cm_id *cmid)
mtu = kiblnd_translate_mtu(*kiblnd_tunables.kib_ib_mtu);
LASSERT(mtu >= 0);
- if (mtu != 0)
+ if (mtu)
cmid->route.path_rec->mtu = mtu;
}
@@ -632,7 +632,7 @@ static int kiblnd_get_completion_vector(kib_conn_t *conn, int cpt)
/* hash NID to CPU id in this partition... */
off = do_div(nid, cpumask_weight(mask));
for_each_cpu(i, mask) {
- if (off-- == 0)
+ if (!off--)
return i % vectors;
}
@@ -748,7 +748,7 @@ kib_conn_t *kiblnd_create_conn(kib_peer_t *peer, struct rdma_cm_id *cmid,
rc = kiblnd_alloc_pages(&conn->ibc_rx_pages, cpt,
IBLND_RX_MSG_PAGES(version));
- if (rc != 0)
+ if (rc)
goto failed_2;
kiblnd_map_rx_descs(conn);
@@ -767,7 +767,7 @@ kib_conn_t *kiblnd_create_conn(kib_peer_t *peer, struct rdma_cm_id *cmid,
conn->ibc_cq = cq;
rc = ib_req_notify_cq(cq, IB_CQ_NEXT_COMP);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't request completion notificiation: %d\n", rc);
goto failed_2;
}
@@ -786,7 +786,7 @@ kib_conn_t *kiblnd_create_conn(kib_peer_t *peer, struct rdma_cm_id *cmid,
conn->ibc_sched = sched;
rc = rdma_create_qp(cmid, conn->ibc_hdev->ibh_pd, init_qp_attr);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create QP: %d, send_wr: %d, recv_wr: %d\n",
rc, init_qp_attr->cap.max_send_wr,
init_qp_attr->cap.max_recv_wr);
@@ -803,7 +803,7 @@ kib_conn_t *kiblnd_create_conn(kib_peer_t *peer, struct rdma_cm_id *cmid,
for (i = 0; i < IBLND_RX_MSGS(version); i++) {
rc = kiblnd_post_rx(&conn->ibc_rxs[i],
IBLND_POSTRX_NO_CREDIT);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't post rxmsg: %d\n", rc);
/* Make posted receives complete */
@@ -857,15 +857,15 @@ void kiblnd_destroy_conn(kib_conn_t *conn)
int rc;
LASSERT(!in_interrupt());
- LASSERT(atomic_read(&conn->ibc_refcount) == 0);
+ LASSERT(!atomic_read(&conn->ibc_refcount));
LASSERT(list_empty(&conn->ibc_early_rxs));
LASSERT(list_empty(&conn->ibc_tx_noops));
LASSERT(list_empty(&conn->ibc_tx_queue));
LASSERT(list_empty(&conn->ibc_tx_queue_rsrvd));
LASSERT(list_empty(&conn->ibc_tx_queue_nocred));
LASSERT(list_empty(&conn->ibc_active_txs));
- LASSERT(conn->ibc_noops_posted == 0);
- LASSERT(conn->ibc_nsends_posted == 0);
+ LASSERT(!conn->ibc_noops_posted);
+ LASSERT(!conn->ibc_nsends_posted);
switch (conn->ibc_state) {
default:
@@ -887,7 +887,7 @@ void kiblnd_destroy_conn(kib_conn_t *conn)
if (conn->ibc_cq) {
rc = ib_destroy_cq(conn->ibc_cq);
- if (rc != 0)
+ if (rc)
CWARN("Error destroying CQ: %d\n", rc);
}
@@ -1011,7 +1011,7 @@ static int kiblnd_close_matching_conns(lnet_ni_t *ni, lnet_nid_t nid)
if (nid == LNET_NID_ANY)
return 0;
- return (count == 0) ? -ENOENT : 0;
+ return !count ? -ENOENT : 0;
}
int kiblnd_ctl(lnet_ni_t *ni, unsigned int cmd, void *arg)
@@ -1087,7 +1087,7 @@ void kiblnd_query(lnet_ni_t *ni, lnet_nid_t nid, unsigned long *when)
read_unlock_irqrestore(glock, flags);
- if (last_alive != 0)
+ if (last_alive)
*when = last_alive;
/*
@@ -1213,7 +1213,7 @@ static void kiblnd_unmap_tx_pool(kib_tx_pool_t *tpo)
kib_tx_t *tx;
int i;
- LASSERT(tpo->tpo_pool.po_allocated == 0);
+ LASSERT(!tpo->tpo_pool.po_allocated);
if (!hdev)
return;
@@ -1239,7 +1239,7 @@ static kib_hca_dev_t *kiblnd_current_hdev(kib_dev_t *dev)
read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
while (dev->ibd_failover) {
read_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
- if (i++ % 50 == 0)
+ if (!(i++ % 50))
CDEBUG(D_NET, "%s: Wait for failover\n",
dev->ibd_ifname);
schedule_timeout(cfs_time_seconds(1) / 100);
@@ -1275,7 +1275,7 @@ static void kiblnd_map_tx_pool(kib_tx_pool_t *tpo)
CLASSERT(IBLND_MSG_SIZE <= PAGE_SIZE);
/* No fancy arithmetic when we do the buffer calculations */
- CLASSERT(PAGE_SIZE % IBLND_MSG_SIZE == 0);
+ CLASSERT(!(PAGE_SIZE % IBLND_MSG_SIZE));
tpo->tpo_hdev = kiblnd_current_hdev(dev);
@@ -1359,7 +1359,7 @@ struct ib_mr *kiblnd_find_rd_dma_mr(kib_hca_dev_t *hdev, kib_rdma_desc_t *rd)
static void kiblnd_destroy_fmr_pool(kib_fmr_pool_t *pool)
{
- LASSERT(pool->fpo_map_count == 0);
+ LASSERT(!pool->fpo_map_count);
if (pool->fpo_fmr_pool)
ib_destroy_fmr_pool(pool->fpo_fmr_pool);
@@ -1449,7 +1449,7 @@ static void kiblnd_fail_fmr_poolset(kib_fmr_poolset_t *fps,
kib_fmr_pool_t, fpo_list);
fpo->fpo_failed = 1;
list_del(&fpo->fpo_list);
- if (fpo->fpo_map_count == 0)
+ if (!fpo->fpo_map_count)
list_add(&fpo->fpo_list, zombies);
else
list_add(&fpo->fpo_list, &fps->fps_failed_pool_list);
@@ -1484,7 +1484,7 @@ static int kiblnd_init_fmr_poolset(kib_fmr_poolset_t *fps, int cpt,
INIT_LIST_HEAD(&fps->fps_failed_pool_list);
rc = kiblnd_create_fmr_pool(fps, &fpo);
- if (rc == 0)
+ if (!rc)
list_add_tail(&fpo->fpo_list, &fps->fps_pool_list);
return rc;
@@ -1492,7 +1492,7 @@ static int kiblnd_init_fmr_poolset(kib_fmr_poolset_t *fps, int cpt,
static int kiblnd_fmr_pool_is_idle(kib_fmr_pool_t *fpo, unsigned long now)
{
- if (fpo->fpo_map_count != 0) /* still in use */
+ if (fpo->fpo_map_count) /* still in use */
return 0;
if (fpo->fpo_failed)
return 1;
@@ -1509,11 +1509,11 @@ void kiblnd_fmr_pool_unmap(kib_fmr_t *fmr, int status)
int rc;
rc = ib_fmr_pool_unmap(fmr->fmr_pfmr);
- LASSERT(rc == 0);
+ LASSERT(!rc);
- if (status != 0) {
+ if (status) {
rc = ib_flush_fmr_pool(fpo->fpo_fmr_pool);
- LASSERT(rc == 0);
+ LASSERT(!rc);
}
fmr->fmr_pool = NULL;
@@ -1596,7 +1596,7 @@ int kiblnd_fmr_pool_map(kib_fmr_poolset_t *fps, __u64 *pages, int npages,
rc = kiblnd_create_fmr_pool(fps, &fpo);
spin_lock(&fps->fps_lock);
fps->fps_increasing = 0;
- if (rc == 0) {
+ if (!rc) {
fps->fps_version++;
list_add_tail(&fpo->fpo_list, &fps->fps_pool_list);
} else {
@@ -1610,7 +1610,7 @@ int kiblnd_fmr_pool_map(kib_fmr_poolset_t *fps, __u64 *pages, int npages,
static void kiblnd_fini_pool(kib_pool_t *pool)
{
LASSERT(list_empty(&pool->po_free_list));
- LASSERT(pool->po_allocated == 0);
+ LASSERT(!pool->po_allocated);
CDEBUG(D_NET, "Finalize %s pool\n", pool->po_owner->ps_name);
}
@@ -1650,7 +1650,7 @@ static void kiblnd_fail_poolset(kib_poolset_t *ps, struct list_head *zombies)
kib_pool_t, po_list);
po->po_failed = 1;
list_del(&po->po_list);
- if (po->po_allocated == 0)
+ if (!po->po_allocated)
list_add(&po->po_list, zombies);
else
list_add(&po->po_list, &ps->ps_failed_pool_list);
@@ -1693,7 +1693,7 @@ static int kiblnd_init_poolset(kib_poolset_t *ps, int cpt,
INIT_LIST_HEAD(&ps->ps_failed_pool_list);
rc = ps->ps_pool_create(ps, size, &pool);
- if (rc == 0)
+ if (!rc)
list_add(&pool->po_list, &ps->ps_pool_list);
else
CERROR("Failed to create the first pool for %s\n", ps->ps_name);
@@ -1703,7 +1703,7 @@ static int kiblnd_init_poolset(kib_poolset_t *ps, int cpt,
static int kiblnd_pool_is_idle(kib_pool_t *pool, unsigned long now)
{
- if (pool->po_allocated != 0) /* still in use */
+ if (pool->po_allocated) /* still in use */
return 0;
if (pool->po_failed)
return 1;
@@ -1790,7 +1790,7 @@ struct list_head *kiblnd_pool_alloc_node(kib_poolset_t *ps)
spin_lock(&ps->ps_lock);
ps->ps_increasing = 0;
- if (rc == 0) {
+ if (!rc) {
list_add_tail(&pool->po_list, &ps->ps_pool_list);
} else {
ps->ps_next_retry = cfs_time_shift(IBLND_POOL_RETRY);
@@ -1807,7 +1807,7 @@ static void kiblnd_destroy_tx_pool(kib_pool_t *pool)
kib_tx_pool_t *tpo = container_of(pool, kib_tx_pool_t, tpo_pool);
int i;
- LASSERT(pool->po_allocated == 0);
+ LASSERT(!pool->po_allocated);
if (tpo->tpo_tx_pages) {
kiblnd_unmap_tx_pool(tpo);
@@ -1877,7 +1877,7 @@ static int kiblnd_create_tx_pool(kib_poolset_t *ps, int size,
tpo->tpo_tx_pages = NULL;
npg = (size * IBLND_MSG_SIZE + PAGE_SIZE - 1) / PAGE_SIZE;
- if (kiblnd_alloc_pages(&tpo->tpo_tx_pages, ps->ps_cpt, npg) != 0) {
+ if (kiblnd_alloc_pages(&tpo->tpo_tx_pages, ps->ps_cpt, npg)) {
CERROR("Can't allocate tx pages: %d\n", npg);
LIBCFS_FREE(tpo, sizeof(*tpo));
return -ENOMEM;
@@ -1988,7 +1988,7 @@ static int kiblnd_net_init_pools(kib_net_t *net, __u32 *cpts, int ncpts)
int i;
read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
- if (*kiblnd_tunables.kib_map_on_demand == 0 &&
+ if (!*kiblnd_tunables.kib_map_on_demand &&
net->ibn_dev->ibd_hdev->ibh_nmrs == 1) {
read_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
goto create_tx_pool;
@@ -2029,10 +2029,10 @@ static int kiblnd_net_init_pools(kib_net_t *net, __u32 *cpts, int ncpts)
rc = kiblnd_init_fmr_poolset(net->ibn_fmr_ps[cpt], cpt, net,
kiblnd_fmr_pool_size(ncpts),
kiblnd_fmr_flush_trigger(ncpts));
- if (rc == -ENOSYS && i == 0) /* no FMR */
+ if (rc == -ENOSYS && !i) /* no FMR */
break;
- if (rc != 0) { /* a real error */
+ if (rc) { /* a real error */
CERROR("Can't initialize FMR pool for CPT %d: %d\n",
cpt, rc);
goto failed;
@@ -2067,7 +2067,7 @@ static int kiblnd_net_init_pools(kib_net_t *net, __u32 *cpts, int ncpts)
kiblnd_create_tx_pool,
kiblnd_destroy_tx_pool,
kiblnd_tx_init, NULL);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't initialize TX pool for CPT %d: %d\n",
cpt, rc);
goto failed;
@@ -2077,7 +2077,7 @@ static int kiblnd_net_init_pools(kib_net_t *net, __u32 *cpts, int ncpts)
return 0;
failed:
kiblnd_net_fini_pools(net);
- LASSERT(rc != 0);
+ LASSERT(rc);
return rc;
}
@@ -2112,7 +2112,7 @@ static void kiblnd_hdev_cleanup_mrs(kib_hca_dev_t *hdev)
{
int i;
- if (hdev->ibh_nmrs == 0 || !hdev->ibh_mrs)
+ if (!hdev->ibh_nmrs || !hdev->ibh_mrs)
return;
for (i = 0; i < hdev->ibh_nmrs; i++) {
@@ -2147,7 +2147,7 @@ static int kiblnd_hdev_setup_mrs(kib_hca_dev_t *hdev)
int acflags = IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE;
rc = kiblnd_hdev_get_attr(hdev);
- if (rc != 0)
+ if (rc)
return rc;
LIBCFS_ALLOC(hdev->ibh_mrs, 1 * sizeof(*hdev->ibh_mrs));
@@ -2218,7 +2218,7 @@ static int kiblnd_dev_need_failover(kib_dev_t *dev)
dstaddr.sin_family = AF_INET;
rc = rdma_resolve_addr(cmid, (struct sockaddr *)&srcaddr,
(struct sockaddr *)&dstaddr, 1);
- if (rc != 0 || !cmid->device) {
+ if (rc || !cmid->device) {
CERROR("Failed to bind %s:%pI4h to device(%p): %d\n",
dev->ibd_ifname, &dev->ibd_ifip,
cmid->device, rc);
@@ -2289,7 +2289,7 @@ int kiblnd_dev_failover(kib_dev_t *dev)
/* Bind to failover device or port */
rc = rdma_bind_addr(cmid, (struct sockaddr *)&addr);
- if (rc != 0 || !cmid->device) {
+ if (rc || !cmid->device) {
CERROR("Failed to bind %s:%pI4h to device(%p): %d\n",
dev->ibd_ifname, &dev->ibd_ifip,
cmid->device, rc);
@@ -2320,13 +2320,13 @@ int kiblnd_dev_failover(kib_dev_t *dev)
hdev->ibh_pd = pd;
rc = rdma_listen(cmid, 0);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't start new listener: %d\n", rc);
goto out;
}
rc = kiblnd_hdev_setup_mrs(hdev);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't setup device: %d\n", rc);
goto out;
}
@@ -2357,7 +2357,7 @@ int kiblnd_dev_failover(kib_dev_t *dev)
if (hdev)
kiblnd_hdev_decref(hdev);
- if (rc != 0)
+ if (rc)
dev->ibd_failed_failover++;
else
dev->ibd_failed_failover = 0;
@@ -2367,7 +2367,7 @@ int kiblnd_dev_failover(kib_dev_t *dev)
void kiblnd_destroy_dev(kib_dev_t *dev)
{
- LASSERT(dev->ibd_nnets == 0);
+ LASSERT(!dev->ibd_nnets);
LASSERT(list_empty(&dev->ibd_nets));
list_del(&dev->ibd_fail_list);
@@ -2389,7 +2389,7 @@ static kib_dev_t *kiblnd_create_dev(char *ifname)
int rc;
rc = lnet_ipif_query(ifname, &up, &ip, &netmask);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't query IPoIB interface %s: %d\n",
ifname, rc);
return NULL;
@@ -2420,7 +2420,7 @@ static kib_dev_t *kiblnd_create_dev(char *ifname)
/* initialize the device */
rc = kiblnd_dev_failover(dev);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't initialize device: %d\n", rc);
LIBCFS_FREE(dev, sizeof(*dev));
return NULL;
@@ -2464,7 +2464,7 @@ static void kiblnd_base_shutdown(void)
wake_up_all(&kiblnd_data.kib_failover_waitq);
i = 2;
- while (atomic_read(&kiblnd_data.kib_nthreads) != 0) {
+ while (atomic_read(&kiblnd_data.kib_nthreads)) {
i++;
/* power of 2 ? */
CDEBUG(((i & (-i)) == i) ? D_WARNING : D_NET,
@@ -2519,7 +2519,7 @@ void kiblnd_shutdown(lnet_ni_t *ni)
/* Wait for all peer state to clean up */
i = 2;
- while (atomic_read(&net->ibn_npeers) != 0) {
+ while (atomic_read(&net->ibn_npeers)) {
i++;
CDEBUG(((i & (-i)) == i) ? D_WARNING : D_NET, /* 2**n? */
"%s: waiting for %d peers to disconnect\n",
@@ -2540,10 +2540,9 @@ void kiblnd_shutdown(lnet_ni_t *ni)
/* fall through */
case IBLND_INIT_NOTHING:
- LASSERT(atomic_read(&net->ibn_nconns) == 0);
+ LASSERT(!atomic_read(&net->ibn_nconns));
- if (net->ibn_dev &&
- net->ibn_dev->ibd_nnets == 0)
+ if (net->ibn_dev && !net->ibn_dev->ibd_nnets)
kiblnd_destroy_dev(net->ibn_dev);
break;
@@ -2624,16 +2623,16 @@ static int kiblnd_base_startup(void)
/*****************************************************/
rc = kiblnd_thread_start(kiblnd_connd, NULL, "kiblnd_connd");
- if (rc != 0) {
+ if (rc) {
CERROR("Can't spawn o2iblnd connd: %d\n", rc);
goto failed;
}
- if (*kiblnd_tunables.kib_dev_failover != 0)
+ if (*kiblnd_tunables.kib_dev_failover)
rc = kiblnd_thread_start(kiblnd_failover_thread, NULL,
"kiblnd_failover");
- if (rc != 0) {
+ if (rc) {
CERROR("Can't spawn o2iblnd failover thread: %d\n", rc);
goto failed;
}
@@ -2655,7 +2654,7 @@ static int kiblnd_start_schedulers(struct kib_sched_info *sched)
int nthrs;
int i;
- if (sched->ibs_nthreads == 0) {
+ if (!sched->ibs_nthreads) {
if (*kiblnd_tunables.kib_nscheds > 0) {
nthrs = sched->ibs_nthreads_max;
} else {
@@ -2678,7 +2677,7 @@ static int kiblnd_start_schedulers(struct kib_sched_info *sched)
snprintf(name, sizeof(name), "kiblnd_sd_%02ld_%02ld",
KIB_THREAD_CPT(id), KIB_THREAD_TID(id));
rc = kiblnd_thread_start(kiblnd_scheduler, (void *)id, name);
- if (rc == 0)
+ if (!rc)
continue;
CERROR("Can't spawn thread %d for scheduler[%d]: %d\n",
@@ -2707,7 +2706,7 @@ static int kiblnd_dev_start_threads(kib_dev_t *dev, int newdev, __u32 *cpts,
continue;
rc = kiblnd_start_schedulers(kiblnd_data.kib_scheds[cpt]);
- if (rc != 0) {
+ if (rc) {
CERROR("Failed to start scheduler threads for %s\n",
dev->ibd_ifname);
return rc;
@@ -2725,7 +2724,7 @@ static kib_dev_t *kiblnd_dev_search(char *ifname)
colon = strchr(ifname, ':');
list_for_each_entry(dev, &kiblnd_data.kib_devs, ibd_list) {
- if (strcmp(&dev->ibd_ifname[0], ifname) == 0)
+ if (!strcmp(&dev->ibd_ifname[0], ifname))
return dev;
if (alias)
@@ -2737,7 +2736,7 @@ static kib_dev_t *kiblnd_dev_search(char *ifname)
if (colon2)
*colon2 = 0;
- if (strcmp(&dev->ibd_ifname[0], ifname) == 0)
+ if (!strcmp(&dev->ibd_ifname[0], ifname))
alias = dev;
if (colon)
@@ -2762,7 +2761,7 @@ int kiblnd_startup(lnet_ni_t *ni)
if (kiblnd_data.kib_init == IBLND_INIT_NOTHING) {
rc = kiblnd_base_startup();
- if (rc != 0)
+ if (rc)
return rc;
}
@@ -2803,7 +2802,7 @@ int kiblnd_startup(lnet_ni_t *ni)
newdev = !ibdev;
/* hmm...create kib_dev even for alias */
- if (!ibdev || strcmp(&ibdev->ibd_ifname[0], ifname) != 0)
+ if (!ibdev || strcmp(&ibdev->ibd_ifname[0], ifname))
ibdev = kiblnd_create_dev(ifname);
if (!ibdev)
@@ -2814,11 +2813,11 @@ int kiblnd_startup(lnet_ni_t *ni)
rc = kiblnd_dev_start_threads(ibdev, newdev,
ni->ni_cpts, ni->ni_ncpts);
- if (rc != 0)
+ if (rc)
goto failed;
rc = kiblnd_net_init_pools(net, ni->ni_cpts, ni->ni_ncpts);
- if (rc != 0) {
+ if (rc) {
CERROR("Failed to initialize NI pools: %d\n", rc);
goto failed;
}
@@ -2861,7 +2860,7 @@ static int __init kiblnd_module_init(void)
<= IBLND_MSG_SIZE);
rc = kiblnd_tunables_init();
- if (rc != 0)
+ if (rc)
return rc;
lnet_register_lnd(&the_o2iblnd);
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
index 16c90ed..2abb574 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
@@ -148,7 +148,7 @@ kiblnd_concurrent_sends_v1(void)
#define IBLND_MSG_SIZE (4 << 10) /* max size of queued messages (inc hdr) */
#define IBLND_MAX_RDMA_FRAGS LNET_MAX_IOV /* max # of fragments supported */
-#define IBLND_CFG_RDMA_FRAGS (*kiblnd_tunables.kib_map_on_demand != 0 ? \
+#define IBLND_CFG_RDMA_FRAGS (*kiblnd_tunables.kib_map_on_demand ? \
*kiblnd_tunables.kib_map_on_demand : \
IBLND_MAX_RDMA_FRAGS) /* max # of fragments configured by user */
#define IBLND_RDMA_FRAGS(v) ((v) == IBLND_MSG_VERSION_1 ? \
@@ -611,7 +611,7 @@ kiblnd_dev_can_failover(kib_dev_t *dev)
if (!list_empty(&dev->ibd_fail_list)) /* already scheduled */
return 0;
- if (*kiblnd_tunables.kib_dev_failover == 0) /* disabled */
+ if (!*kiblnd_tunables.kib_dev_failover) /* disabled */
return 0;
if (*kiblnd_tunables.kib_dev_failover > 1) /* force failover */
@@ -710,16 +710,16 @@ kiblnd_need_noop(kib_conn_t *conn)
/* No tx to piggyback NOOP onto or no credit to send a tx */
return (list_empty(&conn->ibc_tx_queue) ||
- conn->ibc_credits == 0);
+ !conn->ibc_credits);
}
if (!list_empty(&conn->ibc_tx_noops) || /* NOOP already queued */
!list_empty(&conn->ibc_tx_queue_nocred) || /* piggyback NOOP */
- conn->ibc_credits == 0) /* no credit */
+ !conn->ibc_credits) /* no credit */
return 0;
if (conn->ibc_credits == 1 && /* last credit reserved for */
- conn->ibc_outstanding_credits == 0) /* giving back credits */
+ !conn->ibc_outstanding_credits) /* giving back credits */
return 0;
/* No tx to piggyback NOOP onto or no credit to send a tx */
@@ -765,8 +765,8 @@ kiblnd_ptr2wreqid(void *ptr, int type)
{
unsigned long lptr = (unsigned long)ptr;
- LASSERT((lptr & IBLND_WID_MASK) == 0);
- LASSERT((type & ~IBLND_WID_MASK) == 0);
+ LASSERT(!(lptr & IBLND_WID_MASK));
+ LASSERT(!(type & ~IBLND_WID_MASK));
return (__u64)(lptr | type);
}
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
index 674a4ee..0608431 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
@@ -53,7 +53,7 @@ kiblnd_tx_done(lnet_ni_t *ni, kib_tx_t *tx)
LASSERT(net);
LASSERT(!in_interrupt());
LASSERT(!tx->tx_queued); /* mustn't be queued for sending */
- LASSERT(tx->tx_sending == 0); /* mustn't be awaiting sent callback */
+ LASSERT(!tx->tx_sending); /* mustn't be awaiting sent callback */
LASSERT(!tx->tx_waiting); /* mustn't be awaiting peer response */
LASSERT(tx->tx_pool);
@@ -115,15 +115,15 @@ kiblnd_get_idle_tx(lnet_ni_t *ni, lnet_nid_t target)
return NULL;
tx = container_of(node, kib_tx_t, tx_list);
- LASSERT(tx->tx_nwrq == 0);
+ LASSERT(!tx->tx_nwrq);
LASSERT(!tx->tx_queued);
- LASSERT(tx->tx_sending == 0);
+ LASSERT(!tx->tx_sending);
LASSERT(!tx->tx_waiting);
- LASSERT(tx->tx_status == 0);
+ LASSERT(!tx->tx_status);
LASSERT(!tx->tx_conn);
LASSERT(!tx->tx_lntmsg[0]);
LASSERT(!tx->tx_lntmsg[1]);
- LASSERT(tx->tx_nfrags == 0);
+ LASSERT(!tx->tx_nfrags);
return tx;
}
@@ -185,7 +185,7 @@ kiblnd_post_rx(kib_rx_t *rx, int credit)
*/
kiblnd_conn_addref(conn);
rc = ib_post_recv(conn->ibc_cmid->qp, &rx->rx_wrq, &bad_wrq);
- if (unlikely(rc != 0)) {
+ if (unlikely(rc)) {
CERROR("Can't post rx for %s: %d, bad_wrq: %p\n",
libcfs_nid2str(conn->ibc_peer->ibp_nid), rc, bad_wrq);
rx->rx_nob = 0;
@@ -194,7 +194,7 @@ kiblnd_post_rx(kib_rx_t *rx, int credit)
if (conn->ibc_state < IBLND_CONN_ESTABLISHED) /* Initial post */
goto out;
- if (unlikely(rc != 0)) {
+ if (unlikely(rc)) {
kiblnd_close_conn(conn, rc);
kiblnd_drop_rx(rx); /* No more posts for this rx */
goto out;
@@ -225,7 +225,7 @@ kiblnd_find_waiting_tx_locked(kib_conn_t *conn, int txtype, __u64 cookie)
kib_tx_t *tx = list_entry(tmp, kib_tx_t, tx_list);
LASSERT(!tx->tx_queued);
- LASSERT(tx->tx_sending != 0 || tx->tx_waiting);
+ LASSERT(tx->tx_sending || tx->tx_waiting);
if (tx->tx_cookie != cookie)
continue;
@@ -260,7 +260,7 @@ kiblnd_handle_completion(kib_conn_t *conn, int txtype, int status, __u64 cookie)
return;
}
- if (tx->tx_status == 0) { /* success so far */
+ if (!tx->tx_status) { /* success so far */
if (status < 0) /* failed? */
tx->tx_status = status;
else if (txtype == IBLND_MSG_GET_REQ)
@@ -269,7 +269,7 @@ kiblnd_handle_completion(kib_conn_t *conn, int txtype, int status, __u64 cookie)
tx->tx_waiting = 0;
- idle = !tx->tx_queued && (tx->tx_sending == 0);
+ idle = !tx->tx_queued && !tx->tx_sending;
if (idle)
list_del(&tx->tx_list);
@@ -316,7 +316,7 @@ kiblnd_handle_rx(kib_rx_t *rx)
msg->ibm_type, credits,
libcfs_nid2str(conn->ibc_peer->ibp_nid));
- if (credits != 0) {
+ if (credits) {
/* Have I received credits that will let me send? */
spin_lock(&conn->ibc_lock);
@@ -360,7 +360,7 @@ kiblnd_handle_rx(kib_rx_t *rx)
break;
}
- if (credits != 0) /* credit already posted */
+ if (credits) /* credit already posted */
post_credit = IBLND_POSTRX_NO_CREDIT;
else /* a keepalive NOOP */
post_credit = IBLND_POSTRX_PEER_CREDIT;
@@ -487,7 +487,7 @@ kiblnd_rx_complete(kib_rx_t *rx, int status, int nob)
rx->rx_nob = nob;
rc = kiblnd_unpack_msg(msg, rx->rx_nob);
- if (rc != 0) {
+ if (rc) {
CERROR("Error %d unpacking rx from %s\n",
rc, libcfs_nid2str(conn->ibc_peer->ibp_nid));
goto failed;
@@ -583,7 +583,7 @@ kiblnd_fmr_map_tx(kib_net_t *net, kib_tx_t *tx, kib_rdma_desc_t *rd, int nob)
fps = net->ibn_fmr_ps[cpt];
rc = kiblnd_fmr_pool_map(fps, pages, npages, 0, &tx->fmr);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't map %d pages: %d\n", npages, rc);
return rc;
}
@@ -612,7 +612,7 @@ static void kiblnd_unmap_tx(lnet_ni_t *ni, kib_tx_t *tx)
tx->fmr.fmr_pfmr = NULL;
}
- if (tx->tx_nfrags != 0) {
+ if (tx->tx_nfrags) {
kiblnd_dma_unmap_sg(tx->tx_pool->tpo_hdev->ibh_ibdev,
tx->tx_frags, tx->tx_nfrags, tx->tx_dmadir);
tx->tx_nfrags = 0;
@@ -769,7 +769,7 @@ kiblnd_post_tx_locked(kib_conn_t *conn, kib_tx_t *tx, int credit)
LASSERT(tx->tx_nwrq > 0);
LASSERT(tx->tx_nwrq <= 1 + IBLND_RDMA_FRAGS(ver));
- LASSERT(credit == 0 || credit == 1);
+ LASSERT(!credit || credit == 1);
LASSERT(conn->ibc_outstanding_credits >= 0);
LASSERT(conn->ibc_outstanding_credits <= IBLND_MSG_QUEUE_SIZE(ver));
LASSERT(conn->ibc_credits >= 0);
@@ -782,13 +782,13 @@ kiblnd_post_tx_locked(kib_conn_t *conn, kib_tx_t *tx, int credit)
return -EAGAIN;
}
- if (credit != 0 && conn->ibc_credits == 0) { /* no credits */
+ if (credit && !conn->ibc_credits) { /* no credits */
CDEBUG(D_NET, "%s: no credits\n",
libcfs_nid2str(peer->ibp_nid));
return -EAGAIN;
}
- if (credit != 0 && !IBLND_OOB_CAPABLE(ver) &&
+ if (credit && !IBLND_OOB_CAPABLE(ver) &&
conn->ibc_credits == 1 && /* last credit reserved */
msg->ibm_type != IBLND_MSG_NOOP) { /* for NOOP */
CDEBUG(D_NET, "%s: not using last credit\n",
@@ -851,7 +851,7 @@ kiblnd_post_tx_locked(kib_conn_t *conn, kib_tx_t *tx, int credit)
conn->ibc_last_send = jiffies;
- if (rc == 0)
+ if (!rc)
return 0;
/*
@@ -868,7 +868,7 @@ kiblnd_post_tx_locked(kib_conn_t *conn, kib_tx_t *tx, int credit)
tx->tx_waiting = 0;
tx->tx_sending--;
- done = (tx->tx_sending == 0);
+ done = !tx->tx_sending;
if (done)
list_del(&tx->tx_list);
@@ -955,7 +955,7 @@ kiblnd_check_sends(kib_conn_t *conn)
break;
}
- if (kiblnd_post_tx_locked(conn, tx, credit) != 0)
+ if (kiblnd_post_tx_locked(conn, tx, credit))
break;
}
@@ -1001,7 +1001,7 @@ kiblnd_tx_complete(kib_tx_t *tx, int status)
tx->tx_status = -EIO;
}
- idle = (tx->tx_sending == 0) && /* This is the final callback */
+ idle = !tx->tx_sending && /* This is the final callback */
!tx->tx_waiting && /* Not waiting for peer */
!tx->tx_queued; /* Not re-queued (PUT_DONE) */
if (idle)
@@ -1067,7 +1067,7 @@ kiblnd_init_rdma(kib_conn_t *conn, kib_tx_t *tx, int type,
int wrknob;
LASSERT(!in_interrupt());
- LASSERT(tx->tx_nwrq == 0);
+ LASSERT(!tx->tx_nwrq);
LASSERT(type == IBLND_MSG_GET_DONE ||
type == IBLND_MSG_PUT_DONE);
@@ -1210,7 +1210,7 @@ static int kiblnd_resolve_addr(struct rdma_cm_id *cmid,
/* allow the port to be reused */
rc = rdma_set_reuseaddr(cmid, 1);
- if (rc != 0) {
+ if (rc) {
CERROR("Unable to set reuse on cmid: %d\n", rc);
return rc;
}
@@ -1222,7 +1222,7 @@ static int kiblnd_resolve_addr(struct rdma_cm_id *cmid,
(struct sockaddr *)srcaddr,
(struct sockaddr *)dstaddr,
timeout_ms);
- if (rc == 0) {
+ if (!rc) {
CDEBUG(D_NET, "bound to port %hu\n", port);
return 0;
} else if (rc == -EADDRINUSE || rc == -EADDRNOTAVAIL) {
@@ -1281,7 +1281,7 @@ kiblnd_connect_peer(kib_peer_t *peer)
(struct sockaddr *)&dstaddr,
*kiblnd_tunables.kib_timeout * 1000);
}
- if (rc != 0) {
+ if (rc) {
/* Can't initiate address resolution: */
CERROR("Can't resolve addr for %s: %d\n",
libcfs_nid2str(peer->ibp_nid), rc);
@@ -1347,8 +1347,8 @@ kiblnd_launch_tx(lnet_ni_t *ni, kib_tx_t *tx, lnet_nid_t nid)
if (peer) {
if (list_empty(&peer->ibp_conns)) {
/* found a peer, but it's still connecting... */
- LASSERT(peer->ibp_connecting != 0 ||
- peer->ibp_accepting != 0);
+ LASSERT(peer->ibp_connecting ||
+ peer->ibp_accepting);
if (tx)
list_add_tail(&tx->tx_list,
&peer->ibp_tx_queue);
@@ -1370,7 +1370,7 @@ kiblnd_launch_tx(lnet_ni_t *ni, kib_tx_t *tx, lnet_nid_t nid)
/* Allocate a peer ready to add to the peer table and retry */
rc = kiblnd_create_peer(ni, &peer, nid);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create peer %s\n", libcfs_nid2str(nid));
if (tx) {
tx->tx_status = -EHOSTUNREACH;
@@ -1386,8 +1386,8 @@ kiblnd_launch_tx(lnet_ni_t *ni, kib_tx_t *tx, lnet_nid_t nid)
if (peer2) {
if (list_empty(&peer2->ibp_conns)) {
/* found a peer, but it's still connecting... */
- LASSERT(peer2->ibp_connecting != 0 ||
- peer2->ibp_accepting != 0);
+ LASSERT(peer2->ibp_connecting ||
+ peer2->ibp_accepting);
if (tx)
list_add_tail(&tx->tx_list,
&peer2->ibp_tx_queue);
@@ -1408,11 +1408,11 @@ kiblnd_launch_tx(lnet_ni_t *ni, kib_tx_t *tx, lnet_nid_t nid)
}
/* Brand new peer */
- LASSERT(peer->ibp_connecting == 0);
+ LASSERT(!peer->ibp_connecting);
peer->ibp_connecting = 1;
/* always called with a ref on ni, which prevents ni being shutdown */
- LASSERT(((kib_net_t *)ni->ni_data)->ibn_shutdown == 0);
+ LASSERT(!((kib_net_t *)ni->ni_data)->ibn_shutdown);
if (tx)
list_add_tail(&tx->tx_list, &peer->ibp_tx_queue);
@@ -1450,7 +1450,7 @@ kiblnd_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg)
CDEBUG(D_NET, "sending %d bytes in %d frags to %s\n",
payload_nob, payload_niov, libcfs_id2str(target));
- LASSERT(payload_nob == 0 || payload_niov > 0);
+ LASSERT(!payload_nob || payload_niov > 0);
LASSERT(payload_niov <= LNET_MAX_IOV);
/* Thread context */
@@ -1464,7 +1464,7 @@ kiblnd_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg)
return -EIO;
case LNET_MSG_ACK:
- LASSERT(payload_nob == 0);
+ LASSERT(!payload_nob);
break;
case LNET_MSG_GET:
@@ -1485,7 +1485,7 @@ kiblnd_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg)
ibmsg = tx->tx_msg;
rd = &ibmsg->ibm_u.get.ibgm_rd;
- if ((lntmsg->msg_md->md_options & LNET_MD_KIOV) == 0)
+ if (!(lntmsg->msg_md->md_options & LNET_MD_KIOV))
rc = kiblnd_setup_rd_iov(ni, tx, rd,
lntmsg->msg_md->md_niov,
lntmsg->msg_md->md_iov.iov,
@@ -1495,7 +1495,7 @@ kiblnd_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg)
lntmsg->msg_md->md_niov,
lntmsg->msg_md->md_iov.kiov,
0, lntmsg->msg_md->md_length);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't setup GET sink for %s: %d\n",
libcfs_nid2str(target.nid), rc);
kiblnd_tx_done(ni, tx);
@@ -1544,7 +1544,7 @@ kiblnd_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg)
rc = kiblnd_setup_rd_kiov(ni, tx, tx->tx_rd,
payload_niov, payload_kiov,
payload_offset, payload_nob);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't setup PUT src for %s: %d\n",
libcfs_nid2str(target.nid), rc);
kiblnd_tx_done(ni, tx);
@@ -1615,7 +1615,7 @@ kiblnd_reply(lnet_ni_t *ni, kib_rx_t *rx, lnet_msg_t *lntmsg)
goto failed_0;
}
- if (nob == 0)
+ if (!nob)
rc = 0;
else if (!kiov)
rc = kiblnd_setup_rd_iov(ni, tx, tx->tx_rd,
@@ -1624,7 +1624,7 @@ kiblnd_reply(lnet_ni_t *ni, kib_rx_t *rx, lnet_msg_t *lntmsg)
rc = kiblnd_setup_rd_kiov(ni, tx, tx->tx_rd,
niov, kiov, offset, nob);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't setup GET src for %s: %d\n",
libcfs_nid2str(target.nid), rc);
goto failed_1;
@@ -1640,7 +1640,7 @@ kiblnd_reply(lnet_ni_t *ni, kib_rx_t *rx, lnet_msg_t *lntmsg)
goto failed_1;
}
- if (nob == 0) {
+ if (!nob) {
/* No RDMA: local completion may happen now! */
lnet_finalize(ni, lntmsg, 0);
} else {
@@ -1706,7 +1706,7 @@ kiblnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, int delayed,
kib_msg_t *txmsg;
kib_rdma_desc_t *rd;
- if (mlen == 0) {
+ if (!mlen) {
lnet_finalize(ni, lntmsg, 0);
kiblnd_send_completion(rx->rx_conn, IBLND_MSG_PUT_NAK, 0,
rxmsg->ibm_u.putreq.ibprm_cookie);
@@ -1730,7 +1730,7 @@ kiblnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, int delayed,
else
rc = kiblnd_setup_rd_kiov(ni, tx, rd,
niov, kiov, offset, mlen);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't setup PUT sink for %s: %d\n",
libcfs_nid2str(conn->ibc_peer->ibp_nid), rc);
kiblnd_tx_done(ni, tx);
@@ -1808,9 +1808,9 @@ kiblnd_peer_notify(kib_peer_t *peer)
read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
if (list_empty(&peer->ibp_conns) &&
- peer->ibp_accepting == 0 &&
- peer->ibp_connecting == 0 &&
- peer->ibp_error != 0) {
+ !peer->ibp_accepting &&
+ !peer->ibp_connecting &&
+ peer->ibp_error) {
error = peer->ibp_error;
peer->ibp_error = 0;
@@ -1819,7 +1819,7 @@ kiblnd_peer_notify(kib_peer_t *peer)
read_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
- if (error != 0)
+ if (error)
lnet_notify(peer->ibp_ni,
peer->ibp_nid, 0, last_alive);
}
@@ -1839,15 +1839,15 @@ kiblnd_close_conn_locked(kib_conn_t *conn, int error)
kib_dev_t *dev;
unsigned long flags;
- LASSERT(error != 0 || conn->ibc_state >= IBLND_CONN_ESTABLISHED);
+ LASSERT(error || conn->ibc_state >= IBLND_CONN_ESTABLISHED);
- if (error != 0 && conn->ibc_comms_error == 0)
+ if (error && !conn->ibc_comms_error)
conn->ibc_comms_error = error;
if (conn->ibc_state != IBLND_CONN_ESTABLISHED)
return; /* already being handled */
- if (error == 0 &&
+ if (!error &&
list_empty(&conn->ibc_tx_noops) &&
list_empty(&conn->ibc_tx_queue) &&
list_empty(&conn->ibc_tx_queue_rsrvd) &&
@@ -1879,7 +1879,7 @@ kiblnd_close_conn_locked(kib_conn_t *conn, int error)
kiblnd_set_conn_state(conn, IBLND_CONN_CLOSING);
- if (error != 0 &&
+ if (error &&
kiblnd_dev_can_failover(dev)) {
list_add_tail(&dev->ibd_fail_list,
&kiblnd_data.kib_failed_devs);
@@ -1943,7 +1943,7 @@ kiblnd_abort_txs(kib_conn_t *conn, struct list_head *txs)
if (txs == &conn->ibc_active_txs) {
LASSERT(!tx->tx_queued);
- LASSERT(tx->tx_waiting || tx->tx_sending != 0);
+ LASSERT(tx->tx_waiting || tx->tx_sending);
} else {
LASSERT(tx->tx_queued);
}
@@ -1951,7 +1951,7 @@ kiblnd_abort_txs(kib_conn_t *conn, struct list_head *txs)
tx->tx_status = -ECONNABORTED;
tx->tx_waiting = 0;
- if (tx->tx_sending == 0) {
+ if (!tx->tx_sending) {
tx->tx_queued = 0;
list_del(&tx->tx_list);
list_add(&tx->tx_list, &zombies);
@@ -1997,7 +1997,7 @@ kiblnd_peer_connect_failed(kib_peer_t *peer, int active, int error)
LIST_HEAD(zombies);
unsigned long flags;
- LASSERT(error != 0);
+ LASSERT(error);
LASSERT(!in_interrupt());
write_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
@@ -2010,8 +2010,8 @@ kiblnd_peer_connect_failed(kib_peer_t *peer, int active, int error)
peer->ibp_accepting--;
}
- if (peer->ibp_connecting != 0 ||
- peer->ibp_accepting != 0) {
+ if (peer->ibp_connecting ||
+ peer->ibp_accepting) {
/* another connection attempt under way... */
write_unlock_irqrestore(&kiblnd_data.kib_global_lock,
flags);
@@ -2070,7 +2070,7 @@ kiblnd_connreq_done(kib_conn_t *conn, int status)
LIBCFS_FREE(conn->ibc_connvars, sizeof(*conn->ibc_connvars));
conn->ibc_connvars = NULL;
- if (status != 0) {
+ if (status) {
/* failed to establish connection */
kiblnd_peer_connect_failed(peer, active, status);
kiblnd_finalise_conn(conn);
@@ -2095,7 +2095,7 @@ kiblnd_connreq_done(kib_conn_t *conn, int status)
else
peer->ibp_accepting--;
- if (peer->ibp_version == 0) {
+ if (!peer->ibp_version) {
peer->ibp_version = conn->ibc_version;
peer->ibp_incarnation = conn->ibc_incarnation;
}
@@ -2113,7 +2113,7 @@ kiblnd_connreq_done(kib_conn_t *conn, int status)
list_del_init(&peer->ibp_tx_queue);
if (!kiblnd_peer_active(peer) || /* peer has been deleted */
- conn->ibc_comms_error != 0) { /* error has happened already */
+ conn->ibc_comms_error) { /* error has happened already */
lnet_ni_t *ni = peer->ibp_ni;
/* start to shut down connection */
@@ -2149,7 +2149,7 @@ kiblnd_reject(struct rdma_cm_id *cmid, kib_rej_t *rej)
rc = rdma_reject(cmid, rej, sizeof(*rej));
- if (rc != 0)
+ if (rc)
CWARN("Error %d sending reject\n", rc);
}
@@ -2220,7 +2220,7 @@ kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob)
goto failed;
rc = kiblnd_unpack_msg(reqmsg, priv_nob);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't parse connection request: %d\n", rc);
goto failed;
}
@@ -2247,7 +2247,7 @@ kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob)
}
/* check time stamp as soon as possible */
- if (reqmsg->ibm_dststamp != 0 &&
+ if (reqmsg->ibm_dststamp &&
reqmsg->ibm_dststamp != net->ibn_incarnation) {
CWARN("Stale connection request\n");
rej.ibr_why = IBLND_REJECT_CONN_STALE;
@@ -2298,7 +2298,7 @@ kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob)
/* assume 'nid' is a new peer; create */
rc = kiblnd_create_peer(ni, &peer, nid);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create peer for %s\n", libcfs_nid2str(nid));
rej.ibr_why = IBLND_REJECT_NO_RESOURCES;
goto failed;
@@ -2308,7 +2308,7 @@ kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob)
peer2 = kiblnd_find_peer_locked(nid);
if (peer2) {
- if (peer2->ibp_version == 0) {
+ if (!peer2->ibp_version) {
peer2->ibp_version = version;
peer2->ibp_incarnation = reqmsg->ibm_srcstamp;
}
@@ -2328,7 +2328,7 @@ kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob)
}
/* tie-break connection race in favour of the higher NID */
- if (peer2->ibp_connecting != 0 &&
+ if (peer2->ibp_connecting &&
nid < ni->ni_nid) {
write_unlock_irqrestore(g_lock, flags);
@@ -2347,16 +2347,16 @@ kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob)
peer = peer2;
} else {
/* Brand new peer */
- LASSERT(peer->ibp_accepting == 0);
- LASSERT(peer->ibp_version == 0 &&
- peer->ibp_incarnation == 0);
+ LASSERT(!peer->ibp_accepting);
+ LASSERT(!peer->ibp_version &&
+ !peer->ibp_incarnation);
peer->ibp_accepting = 1;
peer->ibp_version = version;
peer->ibp_incarnation = reqmsg->ibm_srcstamp;
/* I have a ref on ni that prevents it being shutdown */
- LASSERT(net->ibn_shutdown == 0);
+ LASSERT(!net->ibn_shutdown);
kiblnd_peer_addref(peer);
list_add_tail(&peer->ibp_list, kiblnd_nid2peerlist(nid));
@@ -2405,7 +2405,7 @@ kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob)
CDEBUG(D_NET, "Accept %s\n", libcfs_nid2str(nid));
rc = rdma_accept(cmid, &cp);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't accept %s: %d\n", libcfs_nid2str(nid), rc);
rej.ibr_version = version;
rej.ibr_why = IBLND_REJECT_FATAL;
@@ -2454,7 +2454,7 @@ kiblnd_reconnect(kib_conn_t *conn, int version,
if ((!list_empty(&peer->ibp_tx_queue) ||
peer->ibp_version != version) &&
peer->ibp_connecting == 1 &&
- peer->ibp_accepting == 0) {
+ !peer->ibp_accepting) {
retry = 1;
peer->ibp_connecting++;
@@ -2649,7 +2649,7 @@ kiblnd_check_connreply(kib_conn_t *conn, void *priv, int priv_nob)
LASSERT(net);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't unpack connack from %s: %d\n",
libcfs_nid2str(peer->ibp_nid), rc);
goto failed;
@@ -2706,7 +2706,7 @@ kiblnd_check_connreply(kib_conn_t *conn, void *priv, int priv_nob)
rc = -ESTALE;
read_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
- if (rc != 0) {
+ if (rc) {
CERROR("Bad connection reply from %s, rc = %d, version: %x max_frags: %d\n",
libcfs_nid2str(peer->ibp_nid), rc,
msg->ibm_version, msg->ibm_u.connparams.ibcp_max_frags);
@@ -2729,7 +2729,7 @@ kiblnd_check_connreply(kib_conn_t *conn, void *priv, int priv_nob)
* kiblnd_connreq_done(0) moves the conn state to ESTABLISHED, but then
* immediately tears it down.
*/
- LASSERT(rc != 0);
+ LASSERT(rc);
conn->ibc_comms_error = rc;
kiblnd_connreq_done(conn, 0);
}
@@ -2749,8 +2749,8 @@ kiblnd_active_connect(struct rdma_cm_id *cmid)
read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
incarnation = peer->ibp_incarnation;
- version = (peer->ibp_version == 0) ? IBLND_MSG_VERSION :
- peer->ibp_version;
+ version = !peer->ibp_version ? IBLND_MSG_VERSION :
+ peer->ibp_version;
read_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
@@ -2790,7 +2790,7 @@ kiblnd_active_connect(struct rdma_cm_id *cmid)
LASSERT(conn->ibc_cmid == cmid);
rc = rdma_connect(cmid, &cp);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't connect to %s: %d\n",
libcfs_nid2str(peer->ibp_nid), rc);
kiblnd_connreq_done(conn, rc);
@@ -2827,7 +2827,7 @@ kiblnd_cm_callback(struct rdma_cm_id *cmid, struct rdma_cm_event *event)
libcfs_nid2str(peer->ibp_nid), event->status);
kiblnd_peer_connect_failed(peer, 1, -EHOSTUNREACH);
kiblnd_peer_decref(peer);
- return -EHOSTUNREACH; /* rc != 0 destroys cmid */
+ return -EHOSTUNREACH; /* rc destroys cmid */
case RDMA_CM_EVENT_ADDR_RESOLVED:
peer = (kib_peer_t *)cmid->context;
@@ -2835,14 +2835,14 @@ kiblnd_cm_callback(struct rdma_cm_id *cmid, struct rdma_cm_event *event)
CDEBUG(D_NET, "%s Addr resolved: %d\n",
libcfs_nid2str(peer->ibp_nid), event->status);
- if (event->status != 0) {
+ if (event->status) {
CNETERR("Can't resolve address for %s: %d\n",
libcfs_nid2str(peer->ibp_nid), event->status);
rc = event->status;
} else {
rc = rdma_resolve_route(
cmid, *kiblnd_tunables.kib_timeout * 1000);
- if (rc == 0)
+ if (!rc)
return 0;
/* Can't initiate route resolution */
CERROR("Can't resolve route for %s: %d\n",
@@ -2850,7 +2850,7 @@ kiblnd_cm_callback(struct rdma_cm_id *cmid, struct rdma_cm_event *event)
}
kiblnd_peer_connect_failed(peer, 1, rc);
kiblnd_peer_decref(peer);
- return rc; /* rc != 0 destroys cmid */
+ return rc; /* rc destroys cmid */
case RDMA_CM_EVENT_ROUTE_ERROR:
peer = (kib_peer_t *)cmid->context;
@@ -2858,21 +2858,21 @@ kiblnd_cm_callback(struct rdma_cm_id *cmid, struct rdma_cm_event *event)
libcfs_nid2str(peer->ibp_nid), event->status);
kiblnd_peer_connect_failed(peer, 1, -EHOSTUNREACH);
kiblnd_peer_decref(peer);
- return -EHOSTUNREACH; /* rc != 0 destroys cmid */
+ return -EHOSTUNREACH; /* rc destroys cmid */
case RDMA_CM_EVENT_ROUTE_RESOLVED:
peer = (kib_peer_t *)cmid->context;
CDEBUG(D_NET, "%s Route resolved: %d\n",
libcfs_nid2str(peer->ibp_nid), event->status);
- if (event->status == 0)
+ if (!event->status)
return kiblnd_active_connect(cmid);
CNETERR("Can't resolve route for %s: %d\n",
libcfs_nid2str(peer->ibp_nid), event->status);
kiblnd_peer_connect_failed(peer, 1, event->status);
kiblnd_peer_decref(peer);
- return event->status; /* rc != 0 destroys cmid */
+ return event->status; /* rc destroys cmid */
case RDMA_CM_EVENT_UNREACHABLE:
conn = (kib_conn_t *)cmid->context;
@@ -2984,7 +2984,7 @@ kiblnd_check_txs_locked(kib_conn_t *conn, struct list_head *txs)
LASSERT(tx->tx_queued);
} else {
LASSERT(!tx->tx_queued);
- LASSERT(tx->tx_waiting || tx->tx_sending != 0);
+ LASSERT(tx->tx_waiting || tx->tx_sending);
}
if (cfs_time_aftereq(jiffies, tx->tx_deadline)) {
@@ -3179,7 +3179,7 @@ kiblnd_connd(void *arg)
if (*kiblnd_tunables.kib_timeout > n * p)
chunk = (chunk * n * p) /
*kiblnd_tunables.kib_timeout;
- if (chunk == 0)
+ if (!chunk)
chunk = 1;
for (i = 0; i < chunk; i++) {
@@ -3268,7 +3268,7 @@ kiblnd_cq_completion(struct ib_cq *cq, void *arg)
* NB I'm not allowed to schedule this conn once its refcount has
* reached 0. Since fundamentally I'm racing with scheduler threads
* consuming my CQ I could be called after all completions have
- * occurred. But in this case, ibc_nrx == 0 && ibc_nsends_posted == 0
+ * occurred. But in this case, !ibc_nrx && !ibc_nsends_posted
* and this CQ is about to be destroyed so I NOOP.
*/
kib_conn_t *conn = arg;
@@ -3324,7 +3324,7 @@ kiblnd_scheduler(void *arg)
sched = kiblnd_data.kib_scheds[KIB_THREAD_CPT(id)];
rc = cfs_cpt_bind(lnet_cpt_table(), sched->ibs_cpt);
- if (rc != 0) {
+ if (rc) {
CWARN("Failed to bind on CPT %d, please verify whether all CPUs are healthy and reload modules if necessary, otherwise your system might under risk of low performance\n",
sched->ibs_cpt);
}
@@ -3354,7 +3354,7 @@ kiblnd_scheduler(void *arg)
spin_unlock_irqrestore(&sched->ibs_lock, flags);
rc = ib_poll_cq(conn->ibc_cq, 1, &wc);
- if (rc == 0) {
+ if (!rc) {
rc = ib_req_notify_cq(conn->ibc_cq,
IB_CQ_NEXT_COMP);
if (rc < 0) {
@@ -3382,7 +3382,7 @@ kiblnd_scheduler(void *arg)
spin_lock_irqsave(&sched->ibs_lock, flags);
- if (rc != 0 || conn->ibc_ready) {
+ if (rc || conn->ibc_ready) {
/*
* There may be another completion waiting; get
* another scheduler to check while I handle
@@ -3398,7 +3398,7 @@ kiblnd_scheduler(void *arg)
conn->ibc_scheduled = 0;
}
- if (rc != 0) {
+ if (rc) {
spin_unlock_irqrestore(&sched->ibs_lock, flags);
kiblnd_complete(&wc);
@@ -3438,7 +3438,7 @@ kiblnd_failover_thread(void *arg)
unsigned long flags;
int rc;
- LASSERT(*kiblnd_tunables.kib_dev_failover != 0);
+ LASSERT(*kiblnd_tunables.kib_dev_failover);
cfs_block_allsigs();
@@ -3497,7 +3497,7 @@ kiblnd_failover_thread(void *arg)
remove_wait_queue(&kiblnd_data.kib_failover_waitq, &wait);
write_lock_irqsave(glock, flags);
- if (!long_sleep || rc != 0)
+ if (!long_sleep || rc)
continue;
/*
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c
index afbd6d1..b4607da 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c
@@ -202,7 +202,7 @@ kiblnd_tunables_init(void)
if (*kiblnd_tunables.kib_map_on_demand == 1)
*kiblnd_tunables.kib_map_on_demand = 2; /* don't make sense to create map if only one fragment */
- if (*kiblnd_tunables.kib_concurrent_sends == 0) {
+ if (!*kiblnd_tunables.kib_concurrent_sends) {
if (*kiblnd_tunables.kib_map_on_demand > 0 &&
*kiblnd_tunables.kib_map_on_demand <= IBLND_MAX_RDMA_FRAGS / 8)
*kiblnd_tunables.kib_concurrent_sends = (*kiblnd_tunables.kib_peertxcredits) * 2;
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c
index 2c2d1c9..49d716d 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c
@@ -91,7 +91,7 @@ ksocknal_create_route(__u32 ipaddr, int port)
void
ksocknal_destroy_route(ksock_route_t *route)
{
- LASSERT(atomic_read(&route->ksnr_refcount) == 0);
+ LASSERT(!atomic_read(&route->ksnr_refcount));
if (route->ksnr_peer)
ksocknal_peer_decref(route->ksnr_peer);
@@ -154,8 +154,8 @@ ksocknal_destroy_peer(ksock_peer_t *peer)
CDEBUG(D_NET, "peer %s %p deleted\n",
libcfs_id2str(peer->ksnp_id), peer);
- LASSERT(atomic_read(&peer->ksnp_refcount) == 0);
- LASSERT(peer->ksnp_accepting == 0);
+ LASSERT(!atomic_read(&peer->ksnp_refcount));
+ LASSERT(!peer->ksnp_accepting);
LASSERT(list_empty(&peer->ksnp_conns));
LASSERT(list_empty(&peer->ksnp_routes));
LASSERT(list_empty(&peer->ksnp_tx_queue));
@@ -269,7 +269,7 @@ ksocknal_get_peer_info(lnet_ni_t *ni, int index,
if (peer->ksnp_ni != ni)
continue;
- if (peer->ksnp_n_passive_ips == 0 &&
+ if (!peer->ksnp_n_passive_ips &&
list_empty(&peer->ksnp_routes)) {
if (index-- > 0)
continue;
@@ -332,7 +332,7 @@ ksocknal_associate_route_conn_locked(ksock_route_t *route, ksock_conn_t *conn)
ksocknal_route_addref(route);
if (route->ksnr_myipaddr != conn->ksnc_myipaddr) {
- if (route->ksnr_myipaddr == 0) {
+ if (!route->ksnr_myipaddr) {
/* route wasn't bound locally yet (the initial route) */
CDEBUG(D_NET, "Binding %s %pI4h to %pI4h\n",
libcfs_id2str(peer->ksnp_id),
@@ -378,7 +378,7 @@ ksocknal_add_route_locked(ksock_peer_t *peer, ksock_route_t *route)
LASSERT(!route->ksnr_peer);
LASSERT(!route->ksnr_scheduled);
LASSERT(!route->ksnr_connecting);
- LASSERT(route->ksnr_connected == 0);
+ LASSERT(!route->ksnr_connected);
/* LASSERT(unique) */
list_for_each(tmp, &peer->ksnp_routes) {
@@ -429,7 +429,7 @@ ksocknal_del_route_locked(ksock_route_t *route)
ksocknal_close_conn_locked(conn, 0);
}
- if (route->ksnr_myipaddr != 0) {
+ if (route->ksnr_myipaddr) {
iface = ksocknal_ip2iface(route->ksnr_peer->ksnp_ni,
route->ksnr_myipaddr);
if (iface)
@@ -466,7 +466,7 @@ ksocknal_add_peer(lnet_ni_t *ni, lnet_process_id_t id, __u32 ipaddr, int port)
/* Have a brand new peer ready... */
rc = ksocknal_create_peer(&peer, ni, id);
- if (rc != 0)
+ if (rc)
return rc;
route = ksocknal_create_route(ipaddr, port);
@@ -478,7 +478,7 @@ ksocknal_add_peer(lnet_ni_t *ni, lnet_process_id_t id, __u32 ipaddr, int port)
write_lock_bh(&ksocknal_data.ksnd_global_lock);
/* always called with a ref on ni, so shutdown can't have started */
- LASSERT(((ksock_net_t *) ni->ni_data)->ksnn_shutdown == 0);
+ LASSERT(!((ksock_net_t *) ni->ni_data)->ksnn_shutdown);
peer2 = ksocknal_find_peer_locked(ni, id);
if (peer2) {
@@ -530,7 +530,7 @@ ksocknal_del_peer_locked(ksock_peer_t *peer, __u32 ip)
route = list_entry(tmp, ksock_route_t, ksnr_list);
/* no match */
- if (!(ip == 0 || route->ksnr_ipaddr == ip))
+ if (!(!ip || route->ksnr_ipaddr == ip))
continue;
route->ksnr_share_count = 0;
@@ -544,7 +544,7 @@ ksocknal_del_peer_locked(ksock_peer_t *peer, __u32 ip)
nshared += route->ksnr_share_count;
}
- if (nshared == 0) {
+ if (!nshared) {
/*
* remove everything else if there are no explicit entries
* left
@@ -553,7 +553,7 @@ ksocknal_del_peer_locked(ksock_peer_t *peer, __u32 ip)
route = list_entry(tmp, ksock_route_t, ksnr_list);
/* we should only be removing auto-entries */
- LASSERT(route->ksnr_share_count == 0);
+ LASSERT(!route->ksnr_share_count);
ksocknal_del_route_locked(route);
}
@@ -710,7 +710,7 @@ ksocknal_local_ipvec(lnet_ni_t *ni, __u32 *ipaddrs)
for (i = 0; i < nip; i++) {
ipaddrs[i] = net->ksnn_interfaces[i].ksni_ipaddr;
- LASSERT(ipaddrs[i] != 0);
+ LASSERT(ipaddrs[i]);
}
read_unlock(&ksocknal_data.ksnd_global_lock);
@@ -728,11 +728,11 @@ ksocknal_match_peerip(ksock_interface_t *iface, __u32 *ips, int nips)
int i;
for (i = 0; i < nips; i++) {
- if (ips[i] == 0)
+ if (!ips[i])
continue;
this_xor = ips[i] ^ iface->ksni_ipaddr;
- this_netmatch = ((this_xor & iface->ksni_netmask) == 0) ? 1 : 0;
+ this_netmatch = !(this_xor & iface->ksni_netmask) ? 1 : 0;
if (!(best < 0 ||
best_netmatch < this_netmatch ||
@@ -824,7 +824,7 @@ ksocknal_select_ips(ksock_peer_t *peer, __u32 *peerips, int n_peerips)
k = ksocknal_match_peerip(iface, peerips, n_peerips);
xor = ip ^ peerips[k];
- this_netmatch = ((xor & iface->ksni_netmask) == 0) ? 1 : 0;
+ this_netmatch = !(xor & iface->ksni_netmask) ? 1 : 0;
if (!(!best_iface ||
best_netmatch < this_netmatch ||
@@ -947,9 +947,9 @@ ksocknal_create_routes(ksock_peer_t *peer, int port,
if (route)
continue;
- this_netmatch = (((iface->ksni_ipaddr ^
+ this_netmatch = (!((iface->ksni_ipaddr ^
newroute->ksnr_ipaddr) &
- iface->ksni_netmask) == 0) ? 1 : 0;
+ iface->ksni_netmask)) ? 1 : 0;
if (!(!best_iface ||
best_netmatch < this_netmatch ||
@@ -986,7 +986,7 @@ ksocknal_accept(lnet_ni_t *ni, struct socket *sock)
int peer_port;
rc = lnet_sock_getaddr(sock, 1, &peer_ip, &peer_port);
- LASSERT(rc == 0); /* we succeeded before */
+ LASSERT(!rc); /* we succeeded before */
LIBCFS_ALLOC(cr, sizeof(*cr));
if (!cr) {
@@ -1082,7 +1082,7 @@ ksocknal_create_conn(lnet_ni_t *ni, ksock_route_t *route,
/* stash conn's local and remote addrs */
rc = ksocknal_lib_get_conn_addrs(conn);
- if (rc != 0)
+ if (rc)
goto failed_1;
/*
@@ -1114,7 +1114,7 @@ ksocknal_create_conn(lnet_ni_t *ni, ksock_route_t *route,
}
rc = ksocknal_send_hello(ni, conn, peerid.nid, hello);
- if (rc != 0)
+ if (rc)
goto failed_1;
} else {
peerid.nid = LNET_NID_ANY;
@@ -1128,7 +1128,7 @@ ksocknal_create_conn(lnet_ni_t *ni, ksock_route_t *route,
if (rc < 0)
goto failed_1;
- LASSERT(rc == 0 || active);
+ LASSERT(!rc || active);
LASSERT(conn->ksnc_proto);
LASSERT(peerid.nid != LNET_NID_ANY);
@@ -1139,13 +1139,13 @@ ksocknal_create_conn(lnet_ni_t *ni, ksock_route_t *route,
write_lock_bh(global_lock);
} else {
rc = ksocknal_create_peer(&peer, ni, peerid);
- if (rc != 0)
+ if (rc)
goto failed_1;
write_lock_bh(global_lock);
/* called with a ref on ni, so shutdown can't have started */
- LASSERT(((ksock_net_t *) ni->ni_data)->ksnn_shutdown == 0);
+ LASSERT(!((ksock_net_t *) ni->ni_data)->ksnn_shutdown);
peer2 = ksocknal_find_peer_locked(ni, peerid);
if (!peer2) {
@@ -1239,7 +1239,7 @@ ksocknal_create_conn(lnet_ni_t *ni, ksock_route_t *route,
* Reply on a passive connection attempt so the peer
* realises we're connected.
*/
- LASSERT(rc == 0);
+ LASSERT(!rc);
if (!active)
rc = EALREADY;
@@ -1344,7 +1344,7 @@ ksocknal_create_conn(lnet_ni_t *ni, ksock_route_t *route,
* socket; this ensures the socket only tears down after the
* response has been sent.
*/
- if (rc == 0)
+ if (!rc)
rc = ksocknal_lib_setup_sock(sock);
write_lock_bh(global_lock);
@@ -1357,14 +1357,14 @@ ksocknal_create_conn(lnet_ni_t *ni, ksock_route_t *route,
write_unlock_bh(global_lock);
- if (rc != 0) {
+ if (rc) {
write_lock_bh(global_lock);
if (!conn->ksnc_closing) {
/* could be closed by another thread */
ksocknal_close_conn_locked(conn, rc);
}
write_unlock_bh(global_lock);
- } else if (ksocknal_connsock_addref(conn) == 0) {
+ } else if (!ksocknal_connsock_addref(conn)) {
/* Allow I/O to proceed. */
ksocknal_read_callback(conn);
ksocknal_write_callback(conn);
@@ -1439,7 +1439,7 @@ ksocknal_close_conn_locked(ksock_conn_t *conn, int error)
ksock_conn_t *conn2;
struct list_head *tmp;
- LASSERT(peer->ksnp_error == 0);
+ LASSERT(!peer->ksnp_error);
LASSERT(!conn->ksnc_closing);
conn->ksnc_closing = 1;
@@ -1450,7 +1450,7 @@ ksocknal_close_conn_locked(ksock_conn_t *conn, int error)
if (route) {
/* dissociate conn from route... */
LASSERT(!route->ksnr_deleted);
- LASSERT((route->ksnr_connected & (1 << conn->ksnc_type)) != 0);
+ LASSERT(route->ksnr_connected & (1 << conn->ksnc_type));
conn2 = NULL;
list_for_each(tmp, &peer->ksnp_conns) {
@@ -1531,9 +1531,9 @@ ksocknal_peer_failed(ksock_peer_t *peer)
*/
read_lock(&ksocknal_data.ksnd_global_lock);
- if ((peer->ksnp_id.pid & LNET_PID_USERFLAG) == 0 &&
+ if (!(peer->ksnp_id.pid & LNET_PID_USERFLAG) &&
list_empty(&peer->ksnp_conns) &&
- peer->ksnp_accepting == 0 &&
+ !peer->ksnp_accepting &&
!ksocknal_find_connecting_route_locked(peer)) {
notify = 1;
last_alive = peer->ksnp_last_alive;
@@ -1566,7 +1566,7 @@ ksocknal_finalize_zcreq(ksock_conn_t *conn)
if (tx->tx_conn != conn)
continue;
- LASSERT(tx->tx_msg.ksm_zc_cookies[0] != 0);
+ LASSERT(tx->tx_msg.ksm_zc_cookies[0]);
tx->tx_msg.ksm_zc_cookies[0] = 0;
tx->tx_zc_aborted = 1; /* mark it as not-acked */
@@ -1629,7 +1629,7 @@ ksocknal_terminate_conn(ksock_conn_t *conn)
*/
conn->ksnc_scheduler->kss_nconns--;
- if (peer->ksnp_error != 0) {
+ if (peer->ksnp_error) {
/* peer's last conn closed in error */
LASSERT(list_empty(&peer->ksnp_conns));
failed = 1;
@@ -1656,7 +1656,7 @@ ksocknal_queue_zombie_conn(ksock_conn_t *conn)
{
/* Queue the conn for the reaper to destroy */
- LASSERT(atomic_read(&conn->ksnc_conn_refcount) == 0);
+ LASSERT(!atomic_read(&conn->ksnc_conn_refcount));
spin_lock_bh(&ksocknal_data.ksnd_reaper_lock);
list_add_tail(&conn->ksnc_list, &ksocknal_data.ksnd_zombie_conns);
@@ -1673,8 +1673,8 @@ ksocknal_destroy_conn(ksock_conn_t *conn)
/* Final coup-de-grace of the reaper */
CDEBUG(D_NET, "connection %p\n", conn);
- LASSERT(atomic_read(&conn->ksnc_conn_refcount) == 0);
- LASSERT(atomic_read(&conn->ksnc_sock_refcount) == 0);
+ LASSERT(!atomic_read(&conn->ksnc_conn_refcount));
+ LASSERT(!atomic_read(&conn->ksnc_sock_refcount));
LASSERT(!conn->ksnc_sock);
LASSERT(!conn->ksnc_route);
LASSERT(!conn->ksnc_tx_scheduled);
@@ -1736,8 +1736,7 @@ ksocknal_close_peer_conns_locked(ksock_peer_t *peer, __u32 ipaddr, int why)
list_for_each_safe(ctmp, cnxt, &peer->ksnp_conns) {
conn = list_entry(ctmp, ksock_conn_t, ksnc_list);
- if (ipaddr == 0 ||
- conn->ksnc_ipaddr == ipaddr) {
+ if (!ipaddr || conn->ksnc_ipaddr == ipaddr) {
count++;
ksocknal_close_conn_locked(conn, why);
}
@@ -1799,10 +1798,10 @@ ksocknal_close_matching_conns(lnet_process_id_t id, __u32 ipaddr)
write_unlock_bh(&ksocknal_data.ksnd_global_lock);
/* wildcards always succeed */
- if (id.nid == LNET_NID_ANY || id.pid == LNET_PID_ANY || ipaddr == 0)
+ if (id.nid == LNET_NID_ANY || id.pid == LNET_PID_ANY || !ipaddr)
return 0;
- if (count == 0)
+ if (!count)
return -ENOENT;
else
return 0;
@@ -1873,7 +1872,7 @@ ksocknal_query(lnet_ni_t *ni, lnet_nid_t nid, unsigned long *when)
read_unlock(glock);
- if (last_alive != 0)
+ if (last_alive)
*when = last_alive;
CDEBUG(D_NET, "Peer %s %p, alive %ld secs ago, connect %d\n",
@@ -1966,7 +1965,7 @@ static int ksocknal_push(lnet_ni_t *ni, lnet_process_id_t id)
}
read_unlock(&ksocknal_data.ksnd_global_lock);
- if (i == 0) /* no match */
+ if (!i) /* no match */
break;
rc = 0;
@@ -1990,8 +1989,7 @@ ksocknal_add_interface(lnet_ni_t *ni, __u32 ipaddress, __u32 netmask)
struct list_head *rtmp;
ksock_route_t *route;
- if (ipaddress == 0 ||
- netmask == 0)
+ if (!ipaddress || !netmask)
return -EINVAL;
write_lock_bh(&ksocknal_data.ksnd_global_lock);
@@ -2063,7 +2061,7 @@ ksocknal_peer_del_interface_locked(ksock_peer_t *peer, __u32 ipaddr)
if (route->ksnr_myipaddr != ipaddr)
continue;
- if (route->ksnr_share_count != 0) {
+ if (route->ksnr_share_count) {
/* Manually created; keep, but unbind */
route->ksnr_myipaddr = 0;
} else {
@@ -2096,8 +2094,7 @@ ksocknal_del_interface(lnet_ni_t *ni, __u32 ipaddress)
for (i = 0; i < net->ksnn_ninterfaces; i++) {
this_ip = net->ksnn_interfaces[i].ksni_ipaddr;
- if (!(ipaddress == 0 ||
- ipaddress == this_ip))
+ if (!(!ipaddress || ipaddress == this_ip))
continue;
rc = 0;
@@ -2175,7 +2172,7 @@ ksocknal_ctl(lnet_ni_t *ni, unsigned int cmd, void *arg)
rc = ksocknal_get_peer_info(ni, data->ioc_count,
&id, &myip, &ip, &port,
&conn_count, &share_count);
- if (rc != 0)
+ if (rc)
return rc;
data->ioc_nid = id.nid;
@@ -2256,7 +2253,7 @@ ksocknal_ctl(lnet_ni_t *ni, unsigned int cmd, void *arg)
static void
ksocknal_free_buffers(void)
{
- LASSERT(atomic_read(&ksocknal_data.ksnd_nactive_txs) == 0);
+ LASSERT(!atomic_read(&ksocknal_data.ksnd_nactive_txs));
if (ksocknal_data.ksnd_sched_info) {
struct ksock_sched_info *info;
@@ -2304,7 +2301,7 @@ ksocknal_base_shutdown(void)
int i;
int j;
- LASSERT(ksocknal_data.ksnd_nnets == 0);
+ LASSERT(!ksocknal_data.ksnd_nnets);
switch (ksocknal_data.ksnd_init) {
default:
@@ -2336,7 +2333,7 @@ ksocknal_base_shutdown(void)
&sched->kss_rx_conns));
LASSERT(list_empty(
&sched->kss_zombie_noop_txs));
- LASSERT(sched->kss_nconns == 0);
+ LASSERT(!sched->kss_nconns);
}
}
}
@@ -2361,7 +2358,7 @@ ksocknal_base_shutdown(void)
i = 4;
read_lock(&ksocknal_data.ksnd_global_lock);
- while (ksocknal_data.ksnd_nthreads != 0) {
+ while (ksocknal_data.ksnd_nthreads) {
i++;
CDEBUG(((i & (-i)) == i) ? D_WARNING : D_NET, /* power of 2? */
"waiting for %d threads to terminate\n",
@@ -2399,7 +2396,7 @@ ksocknal_base_startup(void)
int i;
LASSERT(ksocknal_data.ksnd_init == SOCKNAL_INIT_NOTHING);
- LASSERT(ksocknal_data.ksnd_nnets == 0);
+ LASSERT(!ksocknal_data.ksnd_nnets);
memset(&ksocknal_data, 0, sizeof(ksocknal_data)); /* zero pointers */
@@ -2502,7 +2499,7 @@ ksocknal_base_startup(void)
snprintf(name, sizeof(name), "socknal_cd%02d", i);
rc = ksocknal_thread_start(ksocknal_connd,
(void *)((ulong_ptr_t)i), name);
- if (rc != 0) {
+ if (rc) {
spin_lock_bh(&ksocknal_data.ksnd_connd_lock);
ksocknal_data.ksnd_connd_starting--;
spin_unlock_bh(&ksocknal_data.ksnd_connd_lock);
@@ -2512,7 +2509,7 @@ ksocknal_base_startup(void)
}
rc = ksocknal_thread_start(ksocknal_reaper, NULL, "socknal_reaper");
- if (rc != 0) {
+ if (rc) {
CERROR("Can't spawn socknal reaper: %d\n", rc);
goto failed;
}
@@ -2604,7 +2601,7 @@ ksocknal_shutdown(lnet_ni_t *ni)
/* Wait for all peer state to clean up */
i = 2;
spin_lock_bh(&net->ksnn_lock);
- while (net->ksnn_npeers != 0) {
+ while (net->ksnn_npeers) {
spin_unlock_bh(&net->ksnn_lock);
i++;
@@ -2621,15 +2618,15 @@ ksocknal_shutdown(lnet_ni_t *ni)
spin_unlock_bh(&net->ksnn_lock);
for (i = 0; i < net->ksnn_ninterfaces; i++) {
- LASSERT(net->ksnn_interfaces[i].ksni_npeers == 0);
- LASSERT(net->ksnn_interfaces[i].ksni_nroutes == 0);
+ LASSERT(!net->ksnn_interfaces[i].ksni_npeers);
+ LASSERT(!net->ksnn_interfaces[i].ksni_nroutes);
}
list_del(&net->ksnn_list);
LIBCFS_FREE(net, sizeof(*net));
ksocknal_data.ksnd_nnets--;
- if (ksocknal_data.ksnd_nnets == 0)
+ if (!ksocknal_data.ksnd_nnets)
ksocknal_base_shutdown();
}
@@ -2657,7 +2654,7 @@ ksocknal_enumerate_interfaces(ksock_net_t *net)
continue;
rc = lnet_ipif_query(names[i], &up, &ip, &mask);
- if (rc != 0) {
+ if (rc) {
CWARN("Can't get interface %s info: %d\n",
names[i], rc);
continue;
@@ -2684,7 +2681,7 @@ ksocknal_enumerate_interfaces(ksock_net_t *net)
lnet_ipif_free_enumeration(names, n);
- if (j == 0)
+ if (!j)
CERROR("Can't find any usable interfaces\n");
return j;
@@ -2715,7 +2712,7 @@ ksocknal_search_new_ipif(ksock_net_t *net)
if (colon2)
*colon2 = 0;
- found = strcmp(ifnam, ifnam2) == 0;
+ found = !strcmp(ifnam, ifnam2);
if (colon2)
*colon2 = ':';
}
@@ -2738,7 +2735,7 @@ ksocknal_start_schedulers(struct ksock_sched_info *info)
int rc = 0;
int i;
- if (info->ksi_nthreads == 0) {
+ if (!info->ksi_nthreads) {
if (*ksocknal_tunables.ksnd_nscheds > 0) {
nthrs = info->ksi_nthreads_max;
} else {
@@ -2766,7 +2763,7 @@ ksocknal_start_schedulers(struct ksock_sched_info *info)
rc = ksocknal_thread_start(ksocknal_scheduler,
(void *)id, name);
- if (rc == 0)
+ if (!rc)
continue;
CERROR("Can't spawn thread %d for scheduler[%d]: %d\n",
@@ -2798,7 +2795,7 @@ ksocknal_net_start_threads(ksock_net_t *net, __u32 *cpts, int ncpts)
continue;
rc = ksocknal_start_schedulers(info);
- if (rc != 0)
+ if (rc)
return rc;
}
return 0;
@@ -2815,7 +2812,7 @@ ksocknal_startup(lnet_ni_t *ni)
if (ksocknal_data.ksnd_init == SOCKNAL_INIT_NOTHING) {
rc = ksocknal_base_startup();
- if (rc != 0)
+ if (rc)
return rc;
}
@@ -2848,7 +2845,7 @@ ksocknal_startup(lnet_ni_t *ni)
&net->ksnn_interfaces[i].ksni_ipaddr,
&net->ksnn_interfaces[i].ksni_netmask);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't get interface %s info: %d\n",
ni->ni_interfaces[i], rc);
goto fail_1;
@@ -2869,7 +2866,7 @@ ksocknal_startup(lnet_ni_t *ni)
/* call it before add it to ksocknal_data.ksnd_nets */
rc = ksocknal_net_start_threads(net, ni->ni_cpts, ni->ni_ncpts);
- if (rc != 0)
+ if (rc)
goto fail_1;
ni->ni_nid = LNET_MKNID(LNET_NIDNET(ni->ni_nid),
@@ -2883,7 +2880,7 @@ ksocknal_startup(lnet_ni_t *ni)
fail_1:
LIBCFS_FREE(net, sizeof(*net));
fail_0:
- if (ksocknal_data.ksnd_nnets == 0)
+ if (!ksocknal_data.ksnd_nnets)
ksocknal_base_shutdown();
return -ENETDOWN;
@@ -2916,7 +2913,7 @@ ksocknal_module_init(void)
the_ksocklnd.lnd_accept = ksocknal_accept;
rc = ksocknal_tunables_init();
- if (rc != 0)
+ if (rc)
return rc;
lnet_register_lnd(&the_ksocklnd);
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
index f9ec607..02da02d 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
@@ -138,7 +138,7 @@ ksocknal_send_iov(ksock_conn_t *conn, ksock_tx_t *tx)
nob -= iov->iov_len;
tx->tx_iov = ++iov;
tx->tx_niov--;
- } while (nob != 0);
+ } while (nob);
return rc;
}
@@ -150,7 +150,7 @@ ksocknal_send_kiov(ksock_conn_t *conn, ksock_tx_t *tx)
int nob;
int rc;
- LASSERT(tx->tx_niov == 0);
+ LASSERT(!tx->tx_niov);
LASSERT(tx->tx_nkiov > 0);
/* Never touch tx->tx_kiov inside ksocknal_lib_send_kiov() */
@@ -176,7 +176,7 @@ ksocknal_send_kiov(ksock_conn_t *conn, ksock_tx_t *tx)
nob -= (int)kiov->kiov_len;
tx->tx_kiov = ++kiov;
tx->tx_nkiov--;
- } while (nob != 0);
+ } while (nob);
return rc;
}
@@ -187,15 +187,15 @@ ksocknal_transmit(ksock_conn_t *conn, ksock_tx_t *tx)
int rc;
int bufnob;
- if (ksocknal_data.ksnd_stall_tx != 0) {
+ if (ksocknal_data.ksnd_stall_tx) {
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(cfs_time_seconds(ksocknal_data.ksnd_stall_tx));
}
- LASSERT(tx->tx_resid != 0);
+ LASSERT(tx->tx_resid);
rc = ksocknal_connsock_addref(conn);
- if (rc != 0) {
+ if (rc) {
LASSERT(conn->ksnc_closing);
return -ESHUTDOWN;
}
@@ -205,7 +205,7 @@ ksocknal_transmit(ksock_conn_t *conn, ksock_tx_t *tx)
/* testing... */
ksocknal_data.ksnd_enomem_tx--;
rc = -EAGAIN;
- } else if (tx->tx_niov != 0) {
+ } else if (tx->tx_niov) {
rc = ksocknal_send_iov(conn, tx);
} else {
rc = ksocknal_send_kiov(conn, tx);
@@ -229,7 +229,7 @@ ksocknal_transmit(ksock_conn_t *conn, ksock_tx_t *tx)
if (rc <= 0) { /* Didn't write anything? */
- if (rc == 0) /* some stacks return 0 instead of -EAGAIN */
+ if (!rc) /* some stacks return 0 instead of -EAGAIN */
rc = -EAGAIN;
/* Check if EAGAIN is due to memory pressure */
@@ -243,7 +243,7 @@ ksocknal_transmit(ksock_conn_t *conn, ksock_tx_t *tx)
atomic_sub(rc, &conn->ksnc_tx_nob);
rc = 0;
- } while (tx->tx_resid != 0);
+ } while (tx->tx_resid);
ksocknal_connsock_decref(conn);
return rc;
@@ -291,7 +291,7 @@ ksocknal_recv_iov(ksock_conn_t *conn)
nob -= iov->iov_len;
conn->ksnc_rx_iov = ++iov;
conn->ksnc_rx_niov--;
- } while (nob != 0);
+ } while (nob);
return rc;
}
@@ -338,7 +338,7 @@ ksocknal_recv_kiov(ksock_conn_t *conn)
nob -= kiov->kiov_len;
conn->ksnc_rx_kiov = ++kiov;
conn->ksnc_rx_nkiov--;
- } while (nob != 0);
+ } while (nob);
return 1;
}
@@ -353,19 +353,19 @@ ksocknal_receive(ksock_conn_t *conn)
*/
int rc;
- if (ksocknal_data.ksnd_stall_rx != 0) {
+ if (ksocknal_data.ksnd_stall_rx) {
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(cfs_time_seconds(ksocknal_data.ksnd_stall_rx));
}
rc = ksocknal_connsock_addref(conn);
- if (rc != 0) {
+ if (rc) {
LASSERT(conn->ksnc_closing);
return -ESHUTDOWN;
}
for (;;) {
- if (conn->ksnc_rx_niov != 0)
+ if (conn->ksnc_rx_niov)
rc = ksocknal_recv_iov(conn);
else
rc = ksocknal_recv_kiov(conn);
@@ -374,7 +374,7 @@ ksocknal_receive(ksock_conn_t *conn)
/* error/EOF or partial receive */
if (rc == -EAGAIN) {
rc = 1;
- } else if (rc == 0 && conn->ksnc_rx_started) {
+ } else if (!rc && conn->ksnc_rx_started) {
/* EOF in the middle of a message */
rc = -EPROTO;
}
@@ -383,7 +383,7 @@ ksocknal_receive(ksock_conn_t *conn)
/* Completed a fragment */
- if (conn->ksnc_rx_nob_wanted == 0) {
+ if (!conn->ksnc_rx_nob_wanted) {
rc = 1;
break;
}
@@ -397,7 +397,7 @@ void
ksocknal_tx_done(lnet_ni_t *ni, ksock_tx_t *tx)
{
lnet_msg_t *lnetmsg = tx->tx_lnetmsg;
- int rc = (tx->tx_resid == 0 && !tx->tx_zc_aborted) ? 0 : -EIO;
+ int rc = (!tx->tx_resid && !tx->tx_zc_aborted) ? 0 : -EIO;
LASSERT(ni || tx->tx_conn);
@@ -472,11 +472,11 @@ ksocknal_check_zc_req(ksock_tx_t *tx)
tx->tx_deadline =
cfs_time_shift(*ksocknal_tunables.ksnd_timeout);
- LASSERT(tx->tx_msg.ksm_zc_cookies[0] == 0);
+ LASSERT(!tx->tx_msg.ksm_zc_cookies[0]);
tx->tx_msg.ksm_zc_cookies[0] = peer->ksnp_zc_next_cookie++;
- if (peer->ksnp_zc_next_cookie == 0)
+ if (!peer->ksnp_zc_next_cookie)
peer->ksnp_zc_next_cookie = SOCKNAL_KEEPALIVE_PING + 1;
list_add_tail(&tx->tx_zc_list, &peer->ksnp_zc_req_list);
@@ -496,7 +496,7 @@ ksocknal_uncheck_zc_req(ksock_tx_t *tx)
spin_lock(&peer->ksnp_lock);
- if (tx->tx_msg.ksm_zc_cookies[0] == 0) {
+ if (!tx->tx_msg.ksm_zc_cookies[0]) {
/* Not waiting for an ACK */
spin_unlock(&peer->ksnp_lock);
return;
@@ -522,9 +522,9 @@ ksocknal_process_transmit(ksock_conn_t *conn, ksock_tx_t *tx)
CDEBUG(D_NET, "send(%d) %d\n", tx->tx_resid, rc);
- if (tx->tx_resid == 0) {
+ if (!tx->tx_resid) {
/* Sent everything OK */
- LASSERT(rc == 0);
+ LASSERT(!rc);
return 0;
}
@@ -592,7 +592,7 @@ ksocknal_launch_connection_locked(ksock_route_t *route)
LASSERT(!route->ksnr_scheduled);
LASSERT(!route->ksnr_connecting);
- LASSERT((ksocknal_route_mask() & ~route->ksnr_connected) != 0);
+ LASSERT(ksocknal_route_mask() & ~route->ksnr_connected);
route->ksnr_scheduled = 1; /* scheduling conn for connd */
ksocknal_route_addref(route); /* extra ref for connd */
@@ -737,7 +737,7 @@ ksocknal_queue_tx_locked(ksock_tx_t *tx, ksock_conn_t *conn)
bufnob = conn->ksnc_sock->sk->sk_wmem_queued;
spin_lock_bh(&sched->kss_lock);
- if (list_empty(&conn->ksnc_tx_queue) && bufnob == 0) {
+ if (list_empty(&conn->ksnc_tx_queue) && !bufnob) {
/* First packet starts the timeout */
conn->ksnc_tx_deadline =
cfs_time_shift(*ksocknal_tunables.ksnd_timeout);
@@ -752,7 +752,7 @@ ksocknal_queue_tx_locked(ksock_tx_t *tx, ksock_conn_t *conn)
* The packet is noop ZC ACK, try to piggyback the ack_cookie
* on a normal packet so I don't need to send it
*/
- LASSERT(msg->ksm_zc_cookies[1] != 0);
+ LASSERT(msg->ksm_zc_cookies[1]);
LASSERT(conn->ksnc_proto->pro_queue_tx_zcack);
if (conn->ksnc_proto->pro_queue_tx_zcack(conn, tx, 0))
@@ -763,7 +763,7 @@ ksocknal_queue_tx_locked(ksock_tx_t *tx, ksock_conn_t *conn)
* It's a normal packet - can it piggback a noop zc-ack that
* has been queued already?
*/
- LASSERT(msg->ksm_zc_cookies[1] == 0);
+ LASSERT(!msg->ksm_zc_cookies[1]);
LASSERT(conn->ksnc_proto->pro_queue_tx_msg);
ztx = conn->ksnc_proto->pro_queue_tx_msg(conn, tx);
@@ -803,10 +803,10 @@ ksocknal_find_connectable_route_locked(ksock_peer_t *peer)
continue;
/* all route types connected ? */
- if ((ksocknal_route_mask() & ~route->ksnr_connected) == 0)
+ if (!(ksocknal_route_mask() & ~route->ksnr_connected))
continue;
- if (!(route->ksnr_retry_interval == 0 || /* first attempt */
+ if (!(!route->ksnr_retry_interval || /* first attempt */
cfs_time_aftereq(now, route->ksnr_timeout))) {
CDEBUG(D_NET,
"Too soon to retry route %pI4h (cnted %d, interval %ld, %ld secs later)\n",
@@ -884,7 +884,7 @@ ksocknal_launch_packet(lnet_ni_t *ni, ksock_tx_t *tx, lnet_process_id_t id)
write_unlock_bh(g_lock);
- if ((id.pid & LNET_PID_USERFLAG) != 0) {
+ if (id.pid & LNET_PID_USERFLAG) {
CERROR("Refusing to create a connection to userspace process %s\n",
libcfs_id2str(id));
return -EHOSTUNREACH;
@@ -898,7 +898,7 @@ ksocknal_launch_packet(lnet_ni_t *ni, ksock_tx_t *tx, lnet_process_id_t id)
rc = ksocknal_add_peer(ni, id,
LNET_NIDADDR(id.nid),
lnet_acceptor_port());
- if (rc != 0) {
+ if (rc) {
CERROR("Can't add peer %s: %d\n",
libcfs_id2str(id), rc);
return rc;
@@ -956,7 +956,7 @@ ksocknal_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg)
CDEBUG(D_NET, "sending %u bytes in %d frags to %s\n",
payload_nob, payload_niov, libcfs_id2str(target));
- LASSERT(payload_nob == 0 || payload_niov > 0);
+ LASSERT(!payload_nob || payload_niov > 0);
LASSERT(payload_niov <= LNET_MAX_IOV);
/* payload is either all vaddrs or all pages */
LASSERT(!(payload_kiov && payload_iov));
@@ -1010,7 +1010,7 @@ ksocknal_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg)
if (!mpflag)
cfs_memory_pressure_restore(mpflag);
- if (rc == 0)
+ if (!rc)
return 0;
ksocknal_free_tx(tx);
@@ -1050,12 +1050,12 @@ ksocknal_new_packet(ksock_conn_t *conn, int nob_to_skip)
LASSERT(conn->ksnc_proto);
- if ((*ksocknal_tunables.ksnd_eager_ack & conn->ksnc_type) != 0) {
+ if (*ksocknal_tunables.ksnd_eager_ack & conn->ksnc_type) {
/* Remind the socket to ack eagerly... */
ksocknal_lib_eager_ack(conn);
}
- if (nob_to_skip == 0) { /* right at next packet boundary now */
+ if (!nob_to_skip) { /* right at next packet boundary now */
conn->ksnc_rx_started = 0;
mb(); /* racing with timeout thread */
@@ -1112,7 +1112,7 @@ ksocknal_new_packet(ksock_conn_t *conn, int nob_to_skip)
skipped += nob;
nob_to_skip -= nob;
- } while (nob_to_skip != 0 && /* mustn't overflow conn's rx iov */
+ } while (nob_to_skip && /* mustn't overflow conn's rx iov */
niov < sizeof(conn->ksnc_rx_iov_space) / sizeof(struct iovec));
conn->ksnc_rx_niov = niov;
@@ -1138,13 +1138,13 @@ ksocknal_process_receive(ksock_conn_t *conn)
conn->ksnc_rx_state == SOCKNAL_RX_LNET_HEADER ||
conn->ksnc_rx_state == SOCKNAL_RX_SLOP);
again:
- if (conn->ksnc_rx_nob_wanted != 0) {
+ if (conn->ksnc_rx_nob_wanted) {
rc = ksocknal_receive(conn);
if (rc <= 0) {
LASSERT(rc != -EAGAIN);
- if (rc == 0)
+ if (!rc)
CDEBUG(D_NET, "[%p] EOF from %s ip %pI4h:%d\n",
conn,
libcfs_id2str(conn->ksnc_peer->ksnp_id),
@@ -1160,10 +1160,10 @@ ksocknal_process_receive(ksock_conn_t *conn)
/* it's not an error if conn is being closed */
ksocknal_close_conn_and_siblings(conn,
(conn->ksnc_closing) ? 0 : rc);
- return (rc == 0 ? -ESHUTDOWN : rc);
+ return (!rc ? -ESHUTDOWN : rc);
}
- if (conn->ksnc_rx_nob_wanted != 0) {
+ if (conn->ksnc_rx_nob_wanted) {
/* short read */
return -EAGAIN;
}
@@ -1188,7 +1188,7 @@ ksocknal_process_receive(ksock_conn_t *conn)
}
if (conn->ksnc_msg.ksm_type == KSOCK_MSG_NOOP &&
- conn->ksnc_msg.ksm_csum != 0 && /* has checksum */
+ conn->ksnc_msg.ksm_csum && /* has checksum */
conn->ksnc_msg.ksm_csum != conn->ksnc_rx_csum) {
/* NOOP Checksum error */
CERROR("%s: Checksum error, wire:0x%08X data:0x%08X\n",
@@ -1199,7 +1199,7 @@ ksocknal_process_receive(ksock_conn_t *conn)
return -EIO;
}
- if (conn->ksnc_msg.ksm_zc_cookies[1] != 0) {
+ if (conn->ksnc_msg.ksm_zc_cookies[1]) {
__u64 cookie = 0;
LASSERT(conn->ksnc_proto != &ksocknal_protocol_v1x);
@@ -1210,7 +1210,7 @@ ksocknal_process_receive(ksock_conn_t *conn)
rc = conn->ksnc_proto->pro_handle_zcack(conn, cookie,
conn->ksnc_msg.ksm_zc_cookies[1]);
- if (rc != 0) {
+ if (rc) {
CERROR("%s: Unknown ZC-ACK cookie: %llu, %llu\n",
libcfs_id2str(conn->ksnc_peer->ksnp_id),
cookie, conn->ksnc_msg.ksm_zc_cookies[1]);
@@ -1243,7 +1243,7 @@ ksocknal_process_receive(ksock_conn_t *conn)
/* unpack message header */
conn->ksnc_proto->pro_unpack(&conn->ksnc_msg);
- if ((conn->ksnc_peer->ksnp_id.pid & LNET_PID_USERFLAG) != 0) {
+ if (conn->ksnc_peer->ksnp_id.pid & LNET_PID_USERFLAG) {
/* Userspace peer */
lhdr = &conn->ksnc_msg.ksm_u.lnetmsg.ksnm_hdr;
id = &conn->ksnc_peer->ksnp_id;
@@ -1281,8 +1281,8 @@ ksocknal_process_receive(ksock_conn_t *conn)
/* payload all received */
rc = 0;
- if (conn->ksnc_rx_nob_left == 0 && /* not truncating */
- conn->ksnc_msg.ksm_csum != 0 && /* has checksum */
+ if (!conn->ksnc_rx_nob_left && /* not truncating */
+ conn->ksnc_msg.ksm_csum && /* has checksum */
conn->ksnc_msg.ksm_csum != conn->ksnc_rx_csum) {
CERROR("%s: Checksum error, wire:0x%08X data:0x%08X\n",
libcfs_id2str(conn->ksnc_peer->ksnp_id),
@@ -1290,7 +1290,7 @@ ksocknal_process_receive(ksock_conn_t *conn)
rc = -EIO;
}
- if (rc == 0 && conn->ksnc_msg.ksm_zc_cookies[0] != 0) {
+ if (!rc && conn->ksnc_msg.ksm_zc_cookies[0]) {
LASSERT(conn->ksnc_proto != &ksocknal_protocol_v1x);
lhdr = &conn->ksnc_msg.ksm_u.lnetmsg.ksnm_hdr;
@@ -1304,7 +1304,7 @@ ksocknal_process_receive(ksock_conn_t *conn)
lnet_finalize(conn->ksnc_peer->ksnp_ni, conn->ksnc_cookie, rc);
- if (rc != 0) {
+ if (rc) {
ksocknal_new_packet(conn, 0);
ksocknal_close_conn_and_siblings(conn, rc);
return -EPROTO;
@@ -1341,7 +1341,7 @@ ksocknal_recv(lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed,
conn->ksnc_rx_nob_wanted = mlen;
conn->ksnc_rx_nob_left = rlen;
- if (mlen == 0 || iov) {
+ if (!mlen || iov) {
conn->ksnc_rx_nkiov = 0;
conn->ksnc_rx_kiov = NULL;
conn->ksnc_rx_iov = conn->ksnc_rx_iov_space.iov;
@@ -1415,7 +1415,7 @@ int ksocknal_scheduler(void *arg)
cfs_block_allsigs();
rc = cfs_cpt_bind(lnet_cpt_table(), info->ksi_cpt);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't set CPT affinity to %d: %d\n",
info->ksi_cpt, rc);
}
@@ -1452,7 +1452,7 @@ int ksocknal_scheduler(void *arg)
LASSERT(conn->ksnc_rx_scheduled);
/* Did process_receive get everything it wanted? */
- if (rc == 0)
+ if (!rc)
conn->ksnc_rx_ready = 1;
if (conn->ksnc_rx_state == SOCKNAL_RX_PARSE) {
@@ -1560,7 +1560,7 @@ int ksocknal_scheduler(void *arg)
rc = wait_event_interruptible_exclusive(
sched->kss_waitq,
!ksocknal_sched_cansleep(sched));
- LASSERT(rc == 0);
+ LASSERT(!rc);
} else {
cond_resched();
}
@@ -1636,7 +1636,7 @@ ksocknal_parse_proto_version(ksock_hello_msg_t *hello)
else if (hello->kshm_magic == __swab32(LNET_PROTO_MAGIC))
version = __swab32(hello->kshm_version);
- if (version != 0) {
+ if (version) {
#if SOCKNAL_VERSION_DEBUG
if (*ksocknal_tunables.ksnd_protocol == 1)
return NULL;
@@ -1731,7 +1731,7 @@ ksocknal_recv_hello(lnet_ni_t *ni, ksock_conn_t *conn,
lnet_acceptor_timeout();
rc = lnet_sock_read(sock, &hello->kshm_magic, sizeof(hello->kshm_magic), timeout);
- if (rc != 0) {
+ if (rc) {
CERROR("Error %d reading HELLO from %pI4h\n",
rc, &conn->ksnc_ipaddr);
LASSERT(rc < 0);
@@ -1751,7 +1751,7 @@ ksocknal_recv_hello(lnet_ni_t *ni, ksock_conn_t *conn,
rc = lnet_sock_read(sock, &hello->kshm_version,
sizeof(hello->kshm_version), timeout);
- if (rc != 0) {
+ if (rc) {
CERROR("Error %d reading HELLO from %pI4h\n",
rc, &conn->ksnc_ipaddr);
LASSERT(rc < 0);
@@ -1785,7 +1785,7 @@ ksocknal_recv_hello(lnet_ni_t *ni, ksock_conn_t *conn,
/* receive the rest of hello message anyway */
rc = conn->ksnc_proto->pro_recv_hello(conn, hello, timeout);
- if (rc != 0) {
+ if (rc) {
CERROR("Error %d reading or checking hello from from %pI4h\n",
rc, &conn->ksnc_ipaddr);
LASSERT(rc < 0);
@@ -1879,7 +1879,7 @@ ksocknal_connect(ksock_route_t *route)
* route got connected while queued
*/
if (peer->ksnp_closing || route->ksnr_deleted ||
- wanted == 0) {
+ !wanted) {
retry_later = 0;
break;
}
@@ -1895,14 +1895,14 @@ ksocknal_connect(ksock_route_t *route)
if (retry_later) /* needs reschedule */
break;
- if ((wanted & (1 << SOCKLND_CONN_ANY)) != 0) {
+ if (wanted & (1 << SOCKLND_CONN_ANY)) {
type = SOCKLND_CONN_ANY;
- } else if ((wanted & (1 << SOCKLND_CONN_CONTROL)) != 0) {
+ } else if (wanted & (1 << SOCKLND_CONN_CONTROL)) {
type = SOCKLND_CONN_CONTROL;
- } else if ((wanted & (1 << SOCKLND_CONN_BULK_IN)) != 0) {
+ } else if (wanted & (1 << SOCKLND_CONN_BULK_IN)) {
type = SOCKLND_CONN_BULK_IN;
} else {
- LASSERT((wanted & (1 << SOCKLND_CONN_BULK_OUT)) != 0);
+ LASSERT(wanted & (1 << SOCKLND_CONN_BULK_OUT));
type = SOCKLND_CONN_BULK_OUT;
}
@@ -1919,7 +1919,7 @@ ksocknal_connect(ksock_route_t *route)
rc = lnet_connect(&sock, peer->ksnp_id.nid,
route->ksnr_myipaddr,
route->ksnr_ipaddr, route->ksnr_port);
- if (rc != 0)
+ if (rc)
goto failed;
rc = ksocknal_create_conn(peer->ksnp_ni, route, sock, type);
@@ -1934,7 +1934,7 @@ ksocknal_connect(ksock_route_t *route)
* A +ve RC means I have to retry because I lost the connection
* race or I have to renegotiate protocol version
*/
- retry_later = (rc != 0);
+ retry_later = (rc);
if (retry_later)
CDEBUG(D_NET, "peer %s: conn race, retry later.\n",
libcfs_nid2str(peer->ksnp_id.nid));
@@ -1951,7 +1951,7 @@ ksocknal_connect(ksock_route_t *route)
* the peer's incoming connection request
*/
if (rc == EALREADY ||
- (rc == 0 && peer->ksnp_accepting > 0)) {
+ (!rc && peer->ksnp_accepting > 0)) {
/*
* We want to introduce a delay before next
* attempt to connect if we lost conn race,
@@ -1985,12 +1985,12 @@ ksocknal_connect(ksock_route_t *route)
min(route->ksnr_retry_interval,
cfs_time_seconds(*ksocknal_tunables.ksnd_max_reconnectms) / 1000);
- LASSERT(route->ksnr_retry_interval != 0);
+ LASSERT(route->ksnr_retry_interval);
route->ksnr_timeout = cfs_time_add(cfs_time_current(),
route->ksnr_retry_interval);
if (!list_empty(&peer->ksnp_tx_queue) &&
- peer->ksnp_accepting == 0 &&
+ !peer->ksnp_accepting &&
!ksocknal_find_connecting_route_locked(peer)) {
ksock_conn_t *conn;
@@ -2078,7 +2078,7 @@ ksocknal_connd_check_start(time64_t sec, long *timeout)
rc = ksocknal_thread_start(ksocknal_connd, NULL, name);
spin_lock_bh(&ksocknal_data.ksnd_connd_lock);
- if (rc == 0)
+ if (!rc)
return 1;
/* we tried ... */
@@ -2145,7 +2145,7 @@ ksocknal_connd_get_route_locked(signed long *timeout_p)
/* connd_routes can contain both pending and ordinary routes */
list_for_each_entry(route, &ksocknal_data.ksnd_connd_routes,
ksnr_connd_list) {
- if (route->ksnr_retry_interval == 0 ||
+ if (!route->ksnr_retry_interval ||
cfs_time_aftereq(now, route->ksnr_timeout))
return route;
@@ -2290,7 +2290,7 @@ ksocknal_find_timed_out_conn(ksock_peer_t *peer)
* some platform (like Darwin8.x)
*/
error = conn->ksnc_sock->sk->sk_err;
- if (error != 0) {
+ if (error) {
ksocknal_conn_addref(conn);
switch (error) {
@@ -2334,7 +2334,7 @@ ksocknal_find_timed_out_conn(ksock_peer_t *peer)
}
if ((!list_empty(&conn->ksnc_tx_queue) ||
- conn->ksnc_sock->sk->sk_wmem_queued != 0) &&
+ conn->ksnc_sock->sk->sk_wmem_queued) &&
cfs_time_aftereq(cfs_time_current(),
conn->ksnc_tx_deadline)) {
/*
@@ -2429,7 +2429,7 @@ ksocknal_send_keepalive_locked(ksock_peer_t *peer)
return -ENOMEM;
}
- if (ksocknal_launch_packet(peer->ksnp_ni, tx, peer->ksnp_id) == 0) {
+ if (!ksocknal_launch_packet(peer->ksnp_ni, tx, peer->ksnp_id)) {
read_lock(&ksocknal_data.ksnd_global_lock);
return 1;
}
@@ -2461,7 +2461,7 @@ ksocknal_check_peer_timeouts(int idx)
int resid = 0;
int n = 0;
- if (ksocknal_send_keepalive_locked(peer) != 0) {
+ if (ksocknal_send_keepalive_locked(peer)) {
read_unlock(&ksocknal_data.ksnd_global_lock);
goto again;
}
@@ -2516,7 +2516,7 @@ ksocknal_check_peer_timeouts(int idx)
n++;
}
- if (n == 0) {
+ if (!n) {
spin_unlock(&peer->ksnp_lock);
continue;
}
@@ -2639,7 +2639,7 @@ ksocknal_reaper(void *arg)
if (*ksocknal_tunables.ksnd_timeout > n * p)
chunk = (chunk * n * p) /
*ksocknal_tunables.ksnd_timeout;
- if (chunk == 0)
+ if (!chunk)
chunk = 1;
for (i = 0; i < chunk; i++) {
@@ -2651,7 +2651,7 @@ ksocknal_reaper(void *arg)
deadline = cfs_time_add(deadline, cfs_time_seconds(p));
}
- if (nenomem_conns != 0) {
+ if (nenomem_conns) {
/*
* Reduce my timeout if I rescheduled ENOMEM conns.
* This also prevents me getting woken immediately
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c
index 40ce45d..3e1f24e 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c
@@ -45,13 +45,13 @@ ksocknal_lib_get_conn_addrs(ksock_conn_t *conn)
/* Didn't need the {get,put}connsock dance to deref ksnc_sock... */
LASSERT(!conn->ksnc_closing);
- if (rc != 0) {
+ if (rc) {
CERROR("Error %d getting sock peer IP\n", rc);
return rc;
}
rc = lnet_sock_getaddr(conn->ksnc_sock, 0, &conn->ksnc_myipaddr, NULL);
- if (rc != 0) {
+ if (rc) {
CERROR("Error %d getting sock local IP\n", rc);
return rc;
}
@@ -71,7 +71,7 @@ ksocknal_lib_zc_capable(ksock_conn_t *conn)
* ZC if the socket supports scatter/gather and doesn't need software
* checksums
*/
- return ((caps & NETIF_F_SG) != 0 && (caps & NETIF_F_CSUM_MASK) != 0);
+ return ((caps & NETIF_F_SG) && (caps & NETIF_F_CSUM_MASK));
}
int
@@ -84,7 +84,7 @@ ksocknal_lib_send_iov(ksock_conn_t *conn, ksock_tx_t *tx)
if (*ksocknal_tunables.ksnd_enable_csum && /* checksum enabled */
conn->ksnc_proto == &ksocknal_protocol_v2x && /* V2.x connection */
tx->tx_nob == tx->tx_resid && /* frist sending */
- tx->tx_msg.ksm_csum == 0) /* not checksummed */
+ !tx->tx_msg.ksm_csum) /* not checksummed */
ksocknal_lib_csum_tx(tx);
/*
@@ -132,7 +132,7 @@ ksocknal_lib_send_kiov(ksock_conn_t *conn, ksock_tx_t *tx)
* NB we can't trust socket ops to either consume our iovs
* or leave them alone.
*/
- if (tx->tx_msg.ksm_zc_cookies[0] != 0) {
+ if (tx->tx_msg.ksm_zc_cookies[0]) {
/* Zero copy is enabled */
struct sock *sk = sock->sk;
struct page *page = kiov->kiov_page;
@@ -245,7 +245,7 @@ ksocknal_lib_recv_iov(ksock_conn_t *conn)
conn->ksnc_msg.ksm_csum = 0;
}
- if (saved_csum != 0) {
+ if (saved_csum) {
/* accumulate checksum */
for (i = 0, sum = rc; sum > 0; i++, sum -= fragnob) {
LASSERT(i < niov);
@@ -290,7 +290,7 @@ ksocknal_lib_kiov_vmap(lnet_kiov_t *kiov, int niov,
return NULL;
for (nob = i = 0; i < niov; i++) {
- if ((kiov[i].kiov_offset != 0 && i > 0) ||
+ if ((kiov[i].kiov_offset && i > 0) ||
(kiov[i].kiov_offset + kiov[i].kiov_len != PAGE_CACHE_SIZE && i < niov - 1))
return NULL;
@@ -360,7 +360,7 @@ ksocknal_lib_recv_kiov(ksock_conn_t *conn)
rc = kernel_recvmsg(conn->ksnc_sock, &msg, (struct kvec *)scratchiov,
n, nob, MSG_DONTWAIT);
- if (conn->ksnc_msg.ksm_csum != 0) {
+ if (conn->ksnc_msg.ksm_csum) {
for (i = 0, sum = rc; sum > 0; i++, sum -= fragnob) {
LASSERT(i < niov);
@@ -439,14 +439,14 @@ ksocknal_lib_get_conn_tunables(ksock_conn_t *conn, int *txmem, int *rxmem, int *
int rc;
rc = ksocknal_connsock_addref(conn);
- if (rc != 0) {
+ if (rc) {
LASSERT(conn->ksnc_closing);
*txmem = *rxmem = *nagle = 0;
return -ESHUTDOWN;
}
rc = lnet_sock_getbuf(sock, txmem, rxmem);
- if (rc == 0) {
+ if (!rc) {
len = sizeof(*nagle);
rc = kernel_getsockopt(sock, SOL_TCP, TCP_NODELAY,
(char *)nagle, &len);
@@ -454,7 +454,7 @@ ksocknal_lib_get_conn_tunables(ksock_conn_t *conn, int *txmem, int *rxmem, int *
ksocknal_connsock_decref(conn);
- if (rc == 0)
+ if (!rc)
*nagle = !*nagle;
else
*txmem = *rxmem = *nagle = 0;
@@ -484,7 +484,7 @@ ksocknal_lib_setup_sock(struct socket *sock)
rc = kernel_setsockopt(sock, SOL_SOCKET, SO_LINGER, (char *)&linger,
sizeof(linger));
- if (rc != 0) {
+ if (rc) {
CERROR("Can't set SO_LINGER: %d\n", rc);
return rc;
}
@@ -492,7 +492,7 @@ ksocknal_lib_setup_sock(struct socket *sock)
option = -1;
rc = kernel_setsockopt(sock, SOL_TCP, TCP_LINGER2, (char *)&option,
sizeof(option));
- if (rc != 0) {
+ if (rc) {
CERROR("Can't set SO_LINGER2: %d\n", rc);
return rc;
}
@@ -502,7 +502,7 @@ ksocknal_lib_setup_sock(struct socket *sock)
rc = kernel_setsockopt(sock, SOL_TCP, TCP_NODELAY,
(char *)&option, sizeof(option));
- if (rc != 0) {
+ if (rc) {
CERROR("Can't disable nagle: %d\n", rc);
return rc;
}
@@ -510,7 +510,7 @@ ksocknal_lib_setup_sock(struct socket *sock)
rc = lnet_sock_setbuf(sock, *ksocknal_tunables.ksnd_tx_buffer_size,
*ksocknal_tunables.ksnd_rx_buffer_size);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't set buffer tx %d, rx %d buffers: %d\n",
*ksocknal_tunables.ksnd_tx_buffer_size,
*ksocknal_tunables.ksnd_rx_buffer_size, rc);
@@ -529,7 +529,7 @@ ksocknal_lib_setup_sock(struct socket *sock)
option = (do_keepalive ? 1 : 0);
rc = kernel_setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE, (char *)&option,
sizeof(option));
- if (rc != 0) {
+ if (rc) {
CERROR("Can't set SO_KEEPALIVE: %d\n", rc);
return rc;
}
@@ -539,21 +539,21 @@ ksocknal_lib_setup_sock(struct socket *sock)
rc = kernel_setsockopt(sock, SOL_TCP, TCP_KEEPIDLE, (char *)&keep_idle,
sizeof(keep_idle));
- if (rc != 0) {
+ if (rc) {
CERROR("Can't set TCP_KEEPIDLE: %d\n", rc);
return rc;
}
rc = kernel_setsockopt(sock, SOL_TCP, TCP_KEEPINTVL,
(char *)&keep_intvl, sizeof(keep_intvl));
- if (rc != 0) {
+ if (rc) {
CERROR("Can't set TCP_KEEPINTVL: %d\n", rc);
return rc;
}
rc = kernel_setsockopt(sock, SOL_TCP, TCP_KEEPCNT, (char *)&keep_count,
sizeof(keep_count));
- if (rc != 0) {
+ if (rc) {
CERROR("Can't set TCP_KEEPCNT: %d\n", rc);
return rc;
}
@@ -571,7 +571,7 @@ ksocknal_lib_push_conn(ksock_conn_t *conn)
int rc;
rc = ksocknal_connsock_addref(conn);
- if (rc != 0) /* being shut down */
+ if (rc) /* being shut down */
return;
sk = conn->ksnc_sock->sk;
@@ -584,7 +584,7 @@ ksocknal_lib_push_conn(ksock_conn_t *conn)
rc = kernel_setsockopt(conn->ksnc_sock, SOL_TCP, TCP_NODELAY,
(char *)&val, sizeof(val));
- LASSERT(rc == 0);
+ LASSERT(!rc);
lock_sock(sk);
tp->nonagle = nonagle;
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_proto.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_proto.c
index d504685..70910ed 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_proto.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_proto.c
@@ -103,7 +103,7 @@ ksocknal_queue_tx_zcack_v2(ksock_conn_t *conn,
}
LASSERT(tx->tx_msg.ksm_type == KSOCK_MSG_LNET);
- LASSERT(tx->tx_msg.ksm_zc_cookies[1] == 0);
+ LASSERT(!tx->tx_msg.ksm_zc_cookies[1]);
if (tx_ack)
cookie = tx_ack->tx_msg.ksm_zc_cookies[1];
@@ -185,7 +185,7 @@ ksocknal_queue_tx_zcack_v3(ksock_conn_t *conn,
if (tx->tx_msg.ksm_zc_cookies[1] == SOCKNAL_KEEPALIVE_PING) {
/* replace the keepalive PING with a real ACK */
- LASSERT(tx->tx_msg.ksm_zc_cookies[0] == 0);
+ LASSERT(!tx->tx_msg.ksm_zc_cookies[0]);
tx->tx_msg.ksm_zc_cookies[1] = cookie;
return 1;
}
@@ -197,7 +197,7 @@ ksocknal_queue_tx_zcack_v3(ksock_conn_t *conn,
return 1; /* XXX return error in the future */
}
- if (tx->tx_msg.ksm_zc_cookies[0] == 0) {
+ if (!tx->tx_msg.ksm_zc_cookies[0]) {
/* NOOP tx has only one ZC-ACK cookie, can carry at least one more */
if (tx->tx_msg.ksm_zc_cookies[1] > cookie) {
tx->tx_msg.ksm_zc_cookies[0] = tx->tx_msg.ksm_zc_cookies[1];
@@ -233,7 +233,7 @@ ksocknal_queue_tx_zcack_v3(ksock_conn_t *conn,
tmp = tx->tx_msg.ksm_zc_cookies[0];
}
- if (tmp != 0) {
+ if (tmp) {
/* range of cookies */
tx->tx_msg.ksm_zc_cookies[0] = tmp - 1;
tx->tx_msg.ksm_zc_cookies[1] = tmp + 1;
@@ -394,7 +394,7 @@ ksocknal_handle_zcreq(ksock_conn_t *c, __u64 cookie, int remote)
return -ENOMEM;
rc = ksocknal_launch_packet(peer->ksnp_ni, tx, peer->ksnp_id);
- if (rc == 0)
+ if (!rc)
return 0;
ksocknal_free_tx(tx);
@@ -411,7 +411,7 @@ ksocknal_handle_zcack(ksock_conn_t *conn, __u64 cookie1, __u64 cookie2)
LIST_HEAD(zlist);
int count;
- if (cookie1 == 0)
+ if (!cookie1)
cookie1 = cookie2;
count = (cookie1 > cookie2) ? 2 : (cookie2 - cookie1 + 1);
@@ -433,7 +433,7 @@ ksocknal_handle_zcack(ksock_conn_t *conn, __u64 cookie1, __u64 cookie2)
list_del(&tx->tx_zc_list);
list_add(&tx->tx_zc_list, &zlist);
- if (--count == 0)
+ if (!--count)
break;
}
}
@@ -446,7 +446,7 @@ ksocknal_handle_zcack(ksock_conn_t *conn, __u64 cookie1, __u64 cookie2)
ksocknal_tx_decref(tx);
}
- return count == 0 ? 0 : -EPROTO;
+ return !count ? 0 : -EPROTO;
}
static int
@@ -476,14 +476,14 @@ ksocknal_send_hello_v1(ksock_conn_t *conn, ksock_hello_msg_t *hello)
hmv->version_major = cpu_to_le16(KSOCK_PROTO_V1_MAJOR);
hmv->version_minor = cpu_to_le16(KSOCK_PROTO_V1_MINOR);
- if (the_lnet.ln_testprotocompat != 0) {
+ if (the_lnet.ln_testprotocompat) {
/* single-shot proto check */
LNET_LOCK();
- if ((the_lnet.ln_testprotocompat & 1) != 0) {
+ if (the_lnet.ln_testprotocompat & 1) {
hmv->version_major++; /* just different! */
the_lnet.ln_testprotocompat &= ~1;
}
- if ((the_lnet.ln_testprotocompat & 2) != 0) {
+ if (the_lnet.ln_testprotocompat & 2) {
hmv->magic = LNET_PROTO_MAGIC;
the_lnet.ln_testprotocompat &= ~2;
}
@@ -498,13 +498,13 @@ ksocknal_send_hello_v1(ksock_conn_t *conn, ksock_hello_msg_t *hello)
hdr->msg.hello.incarnation = cpu_to_le64(hello->kshm_src_incarnation);
rc = lnet_sock_write(sock, hdr, sizeof(*hdr), lnet_acceptor_timeout());
- if (rc != 0) {
+ if (rc) {
CNETERR("Error %d sending HELLO hdr to %pI4h/%d\n",
rc, &conn->ksnc_ipaddr, conn->ksnc_port);
goto out;
}
- if (hello->kshm_nips == 0)
+ if (!hello->kshm_nips)
goto out;
for (i = 0; i < (int) hello->kshm_nips; i++)
@@ -513,7 +513,7 @@ ksocknal_send_hello_v1(ksock_conn_t *conn, ksock_hello_msg_t *hello)
rc = lnet_sock_write(sock, hello->kshm_ips,
hello->kshm_nips * sizeof(__u32),
lnet_acceptor_timeout());
- if (rc != 0) {
+ if (rc) {
CNETERR("Error %d sending HELLO payload (%d) to %pI4h/%d\n",
rc, hello->kshm_nips,
&conn->ksnc_ipaddr, conn->ksnc_port);
@@ -533,10 +533,10 @@ ksocknal_send_hello_v2(ksock_conn_t *conn, ksock_hello_msg_t *hello)
hello->kshm_magic = LNET_PROTO_MAGIC;
hello->kshm_version = conn->ksnc_proto->pro_version;
- if (the_lnet.ln_testprotocompat != 0) {
+ if (the_lnet.ln_testprotocompat) {
/* single-shot proto check */
LNET_LOCK();
- if ((the_lnet.ln_testprotocompat & 1) != 0) {
+ if (the_lnet.ln_testprotocompat & 1) {
hello->kshm_version++; /* just different! */
the_lnet.ln_testprotocompat &= ~1;
}
@@ -545,19 +545,19 @@ ksocknal_send_hello_v2(ksock_conn_t *conn, ksock_hello_msg_t *hello)
rc = lnet_sock_write(sock, hello, offsetof(ksock_hello_msg_t, kshm_ips),
lnet_acceptor_timeout());
- if (rc != 0) {
+ if (rc) {
CNETERR("Error %d sending HELLO hdr to %pI4h/%d\n",
rc, &conn->ksnc_ipaddr, conn->ksnc_port);
return rc;
}
- if (hello->kshm_nips == 0)
+ if (!hello->kshm_nips)
return 0;
rc = lnet_sock_write(sock, hello->kshm_ips,
hello->kshm_nips * sizeof(__u32),
lnet_acceptor_timeout());
- if (rc != 0) {
+ if (rc) {
CNETERR("Error %d sending HELLO payload (%d) to %pI4h/%d\n",
rc, hello->kshm_nips,
&conn->ksnc_ipaddr, conn->ksnc_port);
@@ -584,7 +584,7 @@ ksocknal_recv_hello_v1(ksock_conn_t *conn, ksock_hello_msg_t *hello,
rc = lnet_sock_read(sock, &hdr->src_nid,
sizeof(*hdr) - offsetof(lnet_hdr_t, src_nid),
timeout);
- if (rc != 0) {
+ if (rc) {
CERROR("Error %d reading rest of HELLO hdr from %pI4h\n",
rc, &conn->ksnc_ipaddr);
LASSERT(rc < 0 && rc != -EALREADY);
@@ -614,12 +614,12 @@ ksocknal_recv_hello_v1(ksock_conn_t *conn, ksock_hello_msg_t *hello,
goto out;
}
- if (hello->kshm_nips == 0)
+ if (!hello->kshm_nips)
goto out;
rc = lnet_sock_read(sock, hello->kshm_ips,
hello->kshm_nips * sizeof(__u32), timeout);
- if (rc != 0) {
+ if (rc) {
CERROR("Error %d reading IPs from ip %pI4h\n",
rc, &conn->ksnc_ipaddr);
LASSERT(rc < 0 && rc != -EALREADY);
@@ -629,7 +629,7 @@ ksocknal_recv_hello_v1(ksock_conn_t *conn, ksock_hello_msg_t *hello,
for (i = 0; i < (int) hello->kshm_nips; i++) {
hello->kshm_ips[i] = __le32_to_cpu(hello->kshm_ips[i]);
- if (hello->kshm_ips[i] == 0) {
+ if (!hello->kshm_ips[i]) {
CERROR("Zero IP[%d] from ip %pI4h\n",
i, &conn->ksnc_ipaddr);
rc = -EPROTO;
@@ -658,7 +658,7 @@ ksocknal_recv_hello_v2(ksock_conn_t *conn, ksock_hello_msg_t *hello, int timeout
offsetof(ksock_hello_msg_t, kshm_ips) -
offsetof(ksock_hello_msg_t, kshm_src_nid),
timeout);
- if (rc != 0) {
+ if (rc) {
CERROR("Error %d reading HELLO from %pI4h\n",
rc, &conn->ksnc_ipaddr);
LASSERT(rc < 0 && rc != -EALREADY);
@@ -682,12 +682,12 @@ ksocknal_recv_hello_v2(ksock_conn_t *conn, ksock_hello_msg_t *hello, int timeout
return -EPROTO;
}
- if (hello->kshm_nips == 0)
+ if (!hello->kshm_nips)
return 0;
rc = lnet_sock_read(sock, hello->kshm_ips,
hello->kshm_nips * sizeof(__u32), timeout);
- if (rc != 0) {
+ if (rc) {
CERROR("Error %d reading IPs from ip %pI4h\n",
rc, &conn->ksnc_ipaddr);
LASSERT(rc < 0 && rc != -EALREADY);
@@ -698,7 +698,7 @@ ksocknal_recv_hello_v2(ksock_conn_t *conn, ksock_hello_msg_t *hello, int timeout
if (conn->ksnc_flip)
__swab32s(&hello->kshm_ips[i]);
- if (hello->kshm_ips[i] == 0) {
+ if (!hello->kshm_ips[i]) {
CERROR("Zero IP[%d] from ip %pI4h\n",
i, &conn->ksnc_ipaddr);
return -EPROTO;
diff --git a/drivers/staging/lustre/lnet/lnet/acceptor.c b/drivers/staging/lustre/lnet/lnet/acceptor.c
index ef61eaf..e5f24ff 100644
--- a/drivers/staging/lustre/lnet/lnet/acceptor.c
+++ b/drivers/staging/lustre/lnet/lnet/acceptor.c
@@ -159,7 +159,7 @@ lnet_connect(struct socket **sockp, lnet_nid_t peer_nid,
rc = lnet_sock_connect(&sock, &fatal, local_ip, port, peer_ip,
peer_port);
- if (rc != 0) {
+ if (rc) {
if (fatal)
goto failed;
continue;
@@ -171,14 +171,14 @@ lnet_connect(struct socket **sockp, lnet_nid_t peer_nid,
cr.acr_version = LNET_PROTO_ACCEPTOR_VERSION;
cr.acr_nid = peer_nid;
- if (the_lnet.ln_testprotocompat != 0) {
+ if (the_lnet.ln_testprotocompat) {
/* single-shot proto check */
lnet_net_lock(LNET_LOCK_EX);
- if ((the_lnet.ln_testprotocompat & 4) != 0) {
+ if (the_lnet.ln_testprotocompat & 4) {
cr.acr_version++;
the_lnet.ln_testprotocompat &= ~4;
}
- if ((the_lnet.ln_testprotocompat & 8) != 0) {
+ if (the_lnet.ln_testprotocompat & 8) {
cr.acr_magic = LNET_PROTO_MAGIC;
the_lnet.ln_testprotocompat &= ~8;
}
@@ -186,7 +186,7 @@ lnet_connect(struct socket **sockp, lnet_nid_t peer_nid,
}
rc = lnet_sock_write(sock, &cr, sizeof(cr), accept_timeout);
- if (rc != 0)
+ if (rc)
goto failed_sock;
*sockp = sock;
@@ -220,7 +220,7 @@ lnet_accept(struct socket *sock, __u32 magic)
LASSERT(sizeof(cr) <= 16); /* not too big for the stack */
rc = lnet_sock_getaddr(sock, 1, &peer_ip, &peer_port);
- LASSERT(rc == 0); /* we succeeded before */
+ LASSERT(!rc); /* we succeeded before */
if (!lnet_accept_magic(magic, LNET_PROTO_ACCEPTOR_MAGIC)) {
if (lnet_accept_magic(magic, LNET_PROTO_MAGIC)) {
@@ -236,7 +236,7 @@ lnet_accept(struct socket *sock, __u32 magic)
rc = lnet_sock_write(sock, &cr, sizeof(cr),
accept_timeout);
- if (rc != 0)
+ if (rc)
CERROR("Error sending magic+version in response to LNET magic from %pI4h: %d\n",
&peer_ip, rc);
return -EPROTO;
@@ -256,7 +256,7 @@ lnet_accept(struct socket *sock, __u32 magic)
rc = lnet_sock_read(sock, &cr.acr_version, sizeof(cr.acr_version),
accept_timeout);
- if (rc != 0) {
+ if (rc) {
CERROR("Error %d reading connection request version from %pI4h\n",
rc, &peer_ip);
return -EIO;
@@ -279,7 +279,7 @@ lnet_accept(struct socket *sock, __u32 magic)
cr.acr_version = LNET_PROTO_ACCEPTOR_VERSION;
rc = lnet_sock_write(sock, &cr, sizeof(cr), accept_timeout);
- if (rc != 0)
+ if (rc)
CERROR("Error sending magic+version in response to version %d from %pI4h: %d\n",
peer_version, &peer_ip, rc);
return -EPROTO;
@@ -289,7 +289,7 @@ lnet_accept(struct socket *sock, __u32 magic)
sizeof(cr) -
offsetof(lnet_acceptor_connreq_t, acr_nid),
accept_timeout);
- if (rc != 0) {
+ if (rc) {
CERROR("Error %d reading connection request from %pI4h\n",
rc, &peer_ip);
return -EIO;
@@ -341,7 +341,7 @@ lnet_acceptor(void *arg)
rc = lnet_sock_listen(&lnet_acceptor_state.pta_sock, 0, accept_port,
accept_backlog);
- if (rc != 0) {
+ if (rc) {
if (rc == -EADDRINUSE)
LCONSOLE_ERROR_MSG(0x122, "Can't start acceptor on port %d: port already in use\n",
accept_port);
@@ -358,12 +358,12 @@ lnet_acceptor(void *arg)
lnet_acceptor_state.pta_shutdown = rc;
complete(&lnet_acceptor_state.pta_signal);
- if (rc != 0)
+ if (rc)
return rc;
while (!lnet_acceptor_state.pta_shutdown) {
rc = lnet_sock_accept(&newsock, lnet_acceptor_state.pta_sock);
- if (rc != 0) {
+ if (rc) {
if (rc != -EAGAIN) {
CWARN("Accept error %d: pausing...\n", rc);
set_current_state(TASK_UNINTERRUPTIBLE);
@@ -379,7 +379,7 @@ lnet_acceptor(void *arg)
}
rc = lnet_sock_getaddr(newsock, 1, &peer_ip, &peer_port);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't determine new connection's address\n");
goto failed;
}
@@ -392,14 +392,14 @@ lnet_acceptor(void *arg)
rc = lnet_sock_read(newsock, &magic, sizeof(magic),
accept_timeout);
- if (rc != 0) {
+ if (rc) {
CERROR("Error %d reading connection request from %pI4h\n",
rc, &peer_ip);
goto failed;
}
rc = lnet_accept(newsock, magic);
- if (rc != 0)
+ if (rc)
goto failed;
continue;
@@ -446,7 +446,7 @@ lnet_acceptor_start(void)
LASSERT(!lnet_acceptor_state.pta_sock);
rc = lnet_acceptor_get_tunables();
- if (rc != 0)
+ if (rc)
return rc;
init_completion(&lnet_acceptor_state.pta_signal);
@@ -454,7 +454,7 @@ lnet_acceptor_start(void)
if (rc <= 0)
return rc;
- if (lnet_count_acceptor_nis() == 0) /* not required */
+ if (!lnet_count_acceptor_nis()) /* not required */
return 0;
rc2 = PTR_ERR(kthread_run(lnet_acceptor,
diff --git a/drivers/staging/lustre/lnet/lnet/api-ni.c b/drivers/staging/lustre/lnet/lnet/api-ni.c
index eb04958..58b30f1 100644
--- a/drivers/staging/lustre/lnet/lnet/api-ni.c
+++ b/drivers/staging/lustre/lnet/lnet/api-ni.c
@@ -76,17 +76,17 @@ lnet_get_networks(void)
char *nets;
int rc;
- if (*networks != 0 && *ip2nets != 0) {
+ if (*networks && *ip2nets) {
LCONSOLE_ERROR_MSG(0x101, "Please specify EITHER 'networks' or 'ip2nets' but not both at once\n");
return NULL;
}
- if (*ip2nets != 0) {
+ if (*ip2nets) {
rc = lnet_parse_ip2nets(&nets, ip2nets);
- return (rc == 0) ? nets : NULL;
+ return !rc ? nets : NULL;
}
- if (*networks != 0)
+ if (*networks)
return networks;
return "tcp";
@@ -309,7 +309,7 @@ lnet_unregister_lnd(lnd_t *lnd)
LASSERT(the_lnet.ln_init);
LASSERT(lnet_find_lnd_by_type(lnd->lnd_type) == lnd);
- LASSERT(lnd->lnd_refcount == 0);
+ LASSERT(!lnd->lnd_refcount);
list_del(&lnd->lnd_list);
CDEBUG(D_NET, "%s LND unregistered\n", libcfs_lnd2str(lnd->lnd_type));
@@ -379,7 +379,7 @@ lnet_res_container_cleanup(struct lnet_res_container *rec)
{
int count = 0;
- if (rec->rec_type == 0) /* not set yet, it's uninitialized */
+ if (!rec->rec_type) /* not set yet, it's uninitialized */
return;
while (!list_empty(&rec->rec_active)) {
@@ -423,7 +423,7 @@ lnet_res_container_setup(struct lnet_res_container *rec, int cpt, int type)
int rc = 0;
int i;
- LASSERT(rec->rec_type == 0);
+ LASSERT(!rec->rec_type);
rec->rec_type = type;
INIT_LIST_HEAD(&rec->rec_active);
@@ -478,7 +478,7 @@ lnet_res_containers_create(int type)
cfs_percpt_for_each(rec, i, recs) {
rc = lnet_res_container_setup(rec, i, type);
- if (rc != 0) {
+ if (rc) {
lnet_res_containers_destroy(recs);
return NULL;
}
@@ -533,11 +533,11 @@ lnet_prepare(lnet_pid_t requested_pid)
struct lnet_res_container **recs;
int rc = 0;
- LASSERT(the_lnet.ln_refcount == 0);
+ LASSERT(!the_lnet.ln_refcount);
the_lnet.ln_routing = 0;
- LASSERT((requested_pid & LNET_PID_USERFLAG) == 0);
+ LASSERT(!(requested_pid & LNET_PID_USERFLAG));
the_lnet.ln_pid = requested_pid;
INIT_LIST_HEAD(&the_lnet.ln_test_peers);
@@ -547,7 +547,7 @@ lnet_prepare(lnet_pid_t requested_pid)
INIT_LIST_HEAD(&the_lnet.ln_routers);
rc = lnet_create_remote_nets_table();
- if (rc != 0)
+ if (rc)
goto failed;
/*
* NB the interface cookie in wire handles guards against delayed
@@ -564,16 +564,16 @@ lnet_prepare(lnet_pid_t requested_pid)
}
rc = lnet_peer_tables_create();
- if (rc != 0)
+ if (rc)
goto failed;
rc = lnet_msg_containers_create();
- if (rc != 0)
+ if (rc)
goto failed;
rc = lnet_res_container_setup(&the_lnet.ln_eq_container, 0,
LNET_COOKIE_TYPE_EQ);
- if (rc != 0)
+ if (rc)
goto failed;
recs = lnet_res_containers_create(LNET_COOKIE_TYPE_ME);
@@ -593,7 +593,7 @@ lnet_prepare(lnet_pid_t requested_pid)
the_lnet.ln_md_containers = recs;
rc = lnet_portals_create();
- if (rc != 0) {
+ if (rc) {
CERROR("Failed to create portals for LNet: %d\n", rc);
goto failed;
}
@@ -616,7 +616,7 @@ lnet_unprepare(void)
*/
lnet_fail_nid(LNET_NID_ANY, 0);
- LASSERT(the_lnet.ln_refcount == 0);
+ LASSERT(!the_lnet.ln_refcount);
LASSERT(list_empty(&the_lnet.ln_test_peers));
LASSERT(list_empty(&the_lnet.ln_nis));
LASSERT(list_empty(&the_lnet.ln_nis_cpt));
@@ -847,7 +847,7 @@ lnet_shutdown_lndnis(void)
/* All quiet on the API front */
LASSERT(!the_lnet.ln_shutdown);
- LASSERT(the_lnet.ln_refcount == 0);
+ LASSERT(!the_lnet.ln_refcount);
LASSERT(list_empty(&the_lnet.ln_nis_zombie));
lnet_net_lock(LNET_LOCK_EX);
@@ -908,7 +908,7 @@ lnet_shutdown_lndnis(void)
lnet_ni_t, ni_list);
list_del_init(&ni->ni_list);
cfs_percpt_for_each(ref, j, ni->ni_refs) {
- if (*ref == 0)
+ if (!*ref)
continue;
/* still busy, add it back to zombie list */
list_add(&ni->ni_list, &the_lnet.ln_nis_zombie);
@@ -979,7 +979,7 @@ lnet_startup_lndnis(void)
goto failed;
rc = lnet_parse_networks(&nilist, nets);
- if (rc != 0)
+ if (rc)
goto failed;
while (!list_empty(&nilist)) {
@@ -1026,7 +1026,7 @@ lnet_startup_lndnis(void)
mutex_unlock(&the_lnet.ln_lnd_mutex);
- if (rc != 0) {
+ if (rc) {
LCONSOLE_ERROR_MSG(0x105, "Error %d starting up LNI %s\n",
rc, libcfs_lnd2str(lnd->lnd_type));
lnet_net_lock(LNET_LOCK_EX);
@@ -1058,11 +1058,10 @@ lnet_startup_lndnis(void)
continue;
}
- if (ni->ni_peertxcredits == 0 ||
- ni->ni_maxtxcredits == 0) {
+ if (!ni->ni_peertxcredits || !ni->ni_maxtxcredits) {
LCONSOLE_ERROR_MSG(0x107, "LNI %s has no %scredits\n",
libcfs_lnd2str(lnd->lnd_type),
- ni->ni_peertxcredits == 0 ?
+ !ni->ni_peertxcredits ?
"" : "per-peer ");
goto failed;
}
@@ -1138,7 +1137,7 @@ lnet_init(void)
the_lnet.ln_cpt_bits++;
rc = lnet_create_locks();
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create LNet global locks: %d\n", rc);
return -1;
}
@@ -1184,7 +1183,7 @@ void
lnet_fini(void)
{
LASSERT(the_lnet.ln_init);
- LASSERT(the_lnet.ln_refcount == 0);
+ LASSERT(!the_lnet.ln_refcount);
while (!list_empty(&the_lnet.ln_lnds))
lnet_unregister_lnd(list_entry(the_lnet.ln_lnds.next,
@@ -1233,27 +1232,27 @@ LNetNIInit(lnet_pid_t requested_pid)
}
rc = lnet_prepare(requested_pid);
- if (rc != 0)
+ if (rc)
goto failed0;
rc = lnet_startup_lndnis();
- if (rc != 0)
+ if (rc)
goto failed1;
rc = lnet_parse_routes(lnet_get_routes(), &im_a_router);
- if (rc != 0)
+ if (rc)
goto failed2;
rc = lnet_check_routes();
- if (rc != 0)
+ if (rc)
goto failed2;
rc = lnet_rtrpools_alloc(im_a_router);
- if (rc != 0)
+ if (rc)
goto failed2;
rc = lnet_acceptor_start();
- if (rc != 0)
+ if (rc)
goto failed2;
the_lnet.ln_refcount = 1;
@@ -1264,11 +1263,11 @@ LNetNIInit(lnet_pid_t requested_pid)
* lnet_router_checker -> lnet_update_ni_status_locked
*/
rc = lnet_ping_target_init();
- if (rc != 0)
+ if (rc)
goto failed3;
rc = lnet_router_checker_start();
- if (rc != 0)
+ if (rc)
goto failed4;
lnet_router_debugfs_init();
@@ -1360,7 +1359,7 @@ LNetCtl(unsigned int cmd, void *arg)
case IOC_LIBCFS_ADD_ROUTE:
rc = lnet_add_route(data->ioc_net, data->ioc_count,
data->ioc_nid, data->ioc_priority);
- return (rc != 0) ? rc : lnet_check_routes();
+ return (rc) ? rc : lnet_check_routes();
case IOC_LIBCFS_DEL_ROUTE:
return lnet_del_route(data->ioc_net, data->ioc_nid);
@@ -1445,13 +1444,13 @@ LNetGetId(unsigned int index, lnet_process_id_t *id)
LASSERT(the_lnet.ln_init);
/* LNetNI initilization failed? */
- if (the_lnet.ln_refcount == 0)
+ if (!the_lnet.ln_refcount)
return rc;
cpt = lnet_net_lock_current();
list_for_each(tmp, &the_lnet.ln_nis) {
- if (index-- != 0)
+ if (index--)
continue;
ni = list_entry(tmp, lnet_ni_t, ni_list);
@@ -1494,7 +1493,7 @@ lnet_create_ping_info(void)
if (rc == -ENOENT)
break;
- LASSERT(rc == 0);
+ LASSERT(!rc);
}
infosz = offsetof(lnet_ping_info_t, pi_ni[n]);
@@ -1513,7 +1512,7 @@ lnet_create_ping_info(void)
lnet_ni_status_t *ns = &pinfo->pi_ni[i];
rc = LNetGetId(i, &id);
- LASSERT(rc == 0);
+ LASSERT(!rc);
ns->ns_nid = id.nid;
ns->ns_status = LNET_NI_STATUS_UP;
@@ -1568,7 +1567,7 @@ lnet_ping_target_init(void)
int infosz;
rc = lnet_create_ping_info();
- if (rc != 0)
+ if (rc)
return rc;
/*
@@ -1576,7 +1575,7 @@ lnet_ping_target_init(void)
* teardown, which by definition is the last one!
*/
rc = LNetEQAlloc(2, LNET_EQ_HANDLER_NONE, &the_lnet.ln_ping_target_eq);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't allocate ping EQ: %d\n", rc);
goto failed_0;
}
@@ -1589,7 +1588,7 @@ lnet_ping_target_init(void)
LNET_PROTO_PING_MATCHBITS, 0,
LNET_UNLINK, LNET_INS_AFTER,
&meh);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create ping ME: %d\n", rc);
goto failed_1;
}
@@ -1609,7 +1608,7 @@ lnet_ping_target_init(void)
rc = LNetMDAttach(meh, md,
LNET_RETAIN,
&the_lnet.ln_ping_target_md);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't attach ping MD: %d\n", rc);
goto failed_2;
}
@@ -1618,10 +1617,10 @@ lnet_ping_target_init(void)
failed_2:
rc2 = LNetMEUnlink(meh);
- LASSERT(rc2 == 0);
+ LASSERT(!rc2);
failed_1:
rc2 = LNetEQFree(the_lnet.ln_ping_target_eq);
- LASSERT(rc2 == 0);
+ LASSERT(!rc2);
failed_0:
lnet_destroy_ping_info();
return rc;
@@ -1646,7 +1645,7 @@ lnet_ping_target_fini(void)
/* I expect overflow... */
LASSERT(rc >= 0 || rc == -EOVERFLOW);
- if (rc == 0) {
+ if (!rc) {
/* timed out: provide a diagnostic */
CWARN("Still waiting for ping MD to unlink\n");
timeout_ms *= 2;
@@ -1659,7 +1658,7 @@ lnet_ping_target_fini(void)
}
rc = LNetEQFree(the_lnet.ln_ping_target_eq);
- LASSERT(rc == 0);
+ LASSERT(!rc);
lnet_destroy_ping_info();
cfs_restore_sigs(blocked);
}
@@ -1699,7 +1698,7 @@ static int lnet_ping(lnet_process_id_t id, int timeout_ms,
/* NB 2 events max (including any unlink event) */
rc = LNetEQAlloc(2, LNET_EQ_HANDLER_NONE, &eqh);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't allocate EQ: %d\n", rc);
goto out_0;
}
@@ -1714,7 +1713,7 @@ static int lnet_ping(lnet_process_id_t id, int timeout_ms,
md.eq_handle = eqh;
rc = LNetMDBind(md, LNET_UNLINK, &mdh);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't bind MD: %d\n", rc);
goto out_1;
}
@@ -1723,11 +1722,11 @@ static int lnet_ping(lnet_process_id_t id, int timeout_ms,
LNET_RESERVED_PORTAL,
LNET_PROTO_PING_MATCHBITS, 0);
- if (rc != 0) {
+ if (rc) {
/* Don't CERROR; this could be deliberate! */
rc2 = LNetMDUnlink(mdh);
- LASSERT(rc2 == 0);
+ LASSERT(!rc2);
/* NB must wait for the UNLINK event below... */
unlinked = 1;
@@ -1751,11 +1750,11 @@ static int lnet_ping(lnet_process_id_t id, int timeout_ms,
LASSERT(rc2 != -EOVERFLOW); /* can't miss anything */
- if (rc2 <= 0 || event.status != 0) {
+ if (rc2 <= 0 || event.status) {
/* timeout or error */
- if (!replied && rc == 0)
+ if (!replied && !rc)
rc = (rc2 < 0) ? rc2 :
- (rc2 == 0) ? -ETIMEDOUT :
+ !rc2 ? -ETIMEDOUT :
event.status;
if (!unlinked) {
@@ -1764,7 +1763,7 @@ static int lnet_ping(lnet_process_id_t id, int timeout_ms,
/* No assertion (racing with network) */
unlinked = 1;
timeout_ms = a_long_time;
- } else if (rc2 == 0) {
+ } else if (!rc2) {
/* timed out waiting for unlink */
CWARN("ping %s: late network completion\n",
libcfs_id2str(id));
@@ -1804,7 +1803,7 @@ static int lnet_ping(lnet_process_id_t id, int timeout_ms,
goto out_1;
}
- if ((info->pi_features & LNET_PING_FEAT_NI_STATUS) == 0) {
+ if (!(info->pi_features & LNET_PING_FEAT_NI_STATUS)) {
CERROR("%s: ping w/o NI status: 0x%x\n",
libcfs_id2str(id), info->pi_features);
goto out_1;
@@ -1838,9 +1837,9 @@ static int lnet_ping(lnet_process_id_t id, int timeout_ms,
out_1:
rc2 = LNetEQFree(eqh);
- if (rc2 != 0)
+ if (rc2)
CERROR("rc2 %d\n", rc2);
- LASSERT(rc2 == 0);
+ LASSERT(!rc2);
out_0:
LIBCFS_FREE(info, infosz);
diff --git a/drivers/staging/lustre/lnet/lnet/config.c b/drivers/staging/lustre/lnet/lnet/config.c
index fcd2cfb..e817eb3 100644
--- a/drivers/staging/lustre/lnet/lnet/config.c
+++ b/drivers/staging/lustre/lnet/lnet/config.c
@@ -210,7 +210,7 @@ lnet_parse_networks(struct list_head *nilist, char *networks)
if (!ni)
goto failed;
- while (str && *str != 0) {
+ while (str && *str) {
char *comma = strchr(str, ',');
char *bracket = strchr(str, '(');
char *square = strchr(str, '[');
@@ -240,7 +240,7 @@ lnet_parse_networks(struct list_head *nilist, char *networks)
rc = cfs_expr_list_parse(square, tmp - square + 1,
0, LNET_CPT_NUMBER - 1, &el);
- if (rc != 0) {
+ if (rc) {
tmp = square;
goto failed_syntax;
}
@@ -309,7 +309,7 @@ lnet_parse_networks(struct list_head *nilist, char *networks)
*comma++ = 0;
iface = cfs_trimwhite(iface);
- if (*iface == 0) {
+ if (!*iface) {
tmp = iface;
goto failed_syntax;
}
@@ -330,7 +330,7 @@ lnet_parse_networks(struct list_head *nilist, char *networks)
if (comma) {
*comma = 0;
str = cfs_trimwhite(str);
- if (*str != 0) {
+ if (*str) {
tmp = str;
goto failed_syntax;
}
@@ -339,7 +339,7 @@ lnet_parse_networks(struct list_head *nilist, char *networks)
}
str = cfs_trimwhite(str);
- if (*str != 0) {
+ if (*str) {
tmp = str;
goto failed_syntax;
}
@@ -434,7 +434,7 @@ lnet_str2tbs_sep(struct list_head *tbs, char *str)
str++;
/* scan for separator or comment */
- for (sep = str; *sep != 0; sep++)
+ for (sep = str; *sep; sep++)
if (lnet_issep(*sep) || *sep == '#')
break;
@@ -461,10 +461,10 @@ lnet_str2tbs_sep(struct list_head *tbs, char *str)
/* scan for separator */
do {
sep++;
- } while (*sep != 0 && !lnet_issep(*sep));
+ } while (*sep && !lnet_issep(*sep));
}
- if (*sep == 0)
+ if (!*sep)
break;
str = sep + 1;
@@ -539,7 +539,7 @@ lnet_str2tbs_expand(struct list_head *tbs, char *str)
/* simple string enumeration */
if (lnet_expand1tb(&pending, str, sep, sep2,
parsed,
- (int)(enditem - parsed)) != 0) {
+ (int)(enditem - parsed))) {
goto failed;
}
continue;
@@ -554,7 +554,7 @@ lnet_str2tbs_expand(struct list_head *tbs, char *str)
goto failed;
if (hi < 0 || lo < 0 || stride < 0 || hi < lo ||
- (hi - lo) % stride != 0)
+ (hi - lo) % stride)
goto failed;
for (i = lo; i <= hi; i += stride) {
@@ -564,7 +564,7 @@ lnet_str2tbs_expand(struct list_head *tbs, char *str)
goto failed;
if (lnet_expand1tb(&pending, str, sep, sep2,
- num, nob) != 0)
+ num, nob))
goto failed;
}
}
@@ -656,7 +656,7 @@ lnet_parse_route(char *str, int *im_a_router)
/* scan for token start */
while (isspace(*sep))
sep++;
- if (*sep == 0) {
+ if (!*sep) {
if (ntokens < (got_hops ? 3 : 2))
goto token_error;
break;
@@ -666,9 +666,9 @@ lnet_parse_route(char *str, int *im_a_router)
token = sep++;
/* scan for token end */
- while (*sep != 0 && !isspace(*sep))
+ while (*sep && !isspace(*sep))
sep++;
- if (*sep != 0)
+ if (*sep)
*sep++ = 0;
if (ntokens == 1) {
@@ -745,7 +745,7 @@ lnet_parse_route(char *str, int *im_a_router)
}
rc = lnet_add_route(net, hops, nid, priority);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create route to %s via %s\n",
libcfs_net2str(net),
libcfs_nid2str(nid));
@@ -802,7 +802,7 @@ lnet_parse_routes(char *routes, int *im_a_router)
rc = lnet_parse_route_tbs(&tbs, im_a_router);
}
- LASSERT(lnet_tbnob == 0);
+ LASSERT(!lnet_tbnob);
return rc;
}
@@ -814,7 +814,7 @@ lnet_match_network_token(char *token, int len, __u32 *ipaddrs, int nip)
int i;
rc = cfs_ip_addr_parse(token, len, &list);
- if (rc != 0)
+ if (rc)
return rc;
for (rc = i = 0; !rc && i < nip; i++)
@@ -847,18 +847,18 @@ lnet_match_network_tokens(char *net_entry, __u32 *ipaddrs, int nip)
/* scan for token start */
while (isspace(*sep))
sep++;
- if (*sep == 0)
+ if (!*sep)
break;
token = sep++;
/* scan for token end */
- while (*sep != 0 && !isspace(*sep))
+ while (*sep && !isspace(*sep))
sep++;
- if (*sep != 0)
+ if (*sep)
*sep++ = 0;
- if (ntokens++ == 0) {
+ if (!ntokens++) {
net = token;
continue;
}
@@ -872,7 +872,8 @@ lnet_match_network_tokens(char *net_entry, __u32 *ipaddrs, int nip)
return rc;
}
- matched |= (rc != 0);
+ if (rc)
+ matched |= 1;
}
if (!matched)
@@ -930,12 +931,12 @@ lnet_splitnets(char *source, struct list_head *nets)
bracket = strchr(bracket + 1, ')');
if (!bracket ||
- !(bracket[1] == ',' || bracket[1] == 0)) {
+ !(bracket[1] == ',' || !bracket[1])) {
lnet_syntax("ip2nets", source, offset2, len);
return -EINVAL;
}
- sep = (bracket[1] == 0) ? NULL : bracket + 1;
+ sep = !bracket[1] ? NULL : bracket + 1;
}
if (sep)
@@ -1002,7 +1003,7 @@ lnet_match_networks(char **networksp, char *ip2nets, __u32 *ipaddrs, int nip)
INIT_LIST_HEAD(&raw_entries);
if (lnet_str2tbs_sep(&raw_entries, ip2nets) < 0) {
CERROR("Error parsing ip2nets\n");
- LASSERT(lnet_tbnob == 0);
+ LASSERT(!lnet_tbnob);
return -EINVAL;
}
@@ -1026,7 +1027,7 @@ lnet_match_networks(char **networksp, char *ip2nets, __u32 *ipaddrs, int nip)
list_del(&tb->ltb_list);
- if (rc == 0) { /* no match */
+ if (!rc) { /* no match */
lnet_free_text_buf(tb);
continue;
}
@@ -1072,7 +1073,7 @@ lnet_match_networks(char **networksp, char *ip2nets, __u32 *ipaddrs, int nip)
list_add_tail(&tb->ltb_list, &matched_nets);
len += snprintf(networks + len, sizeof(networks) - len,
- "%s%s", (len == 0) ? "" : ",",
+ "%s%s", !len ? "" : ",",
tb->ltb_text);
if (len >= sizeof(networks)) {
@@ -1089,7 +1090,7 @@ lnet_match_networks(char **networksp, char *ip2nets, __u32 *ipaddrs, int nip)
lnet_free_text_bufs(&raw_entries);
lnet_free_text_bufs(&matched_nets);
lnet_free_text_bufs(¤t_nets);
- LASSERT(lnet_tbnob == 0);
+ LASSERT(!lnet_tbnob);
if (rc < 0)
return rc;
@@ -1126,7 +1127,7 @@ lnet_ipaddr_enumerate(__u32 **ipaddrsp)
continue;
rc = lnet_ipif_query(ifnames[i], &up, &ipaddrs[nip], &netmask);
- if (rc != 0) {
+ if (rc) {
CWARN("Can't query interface %s: %d\n",
ifnames[i], rc);
continue;
@@ -1177,7 +1178,7 @@ lnet_parse_ip2nets(char **networksp, char *ip2nets)
return nip;
}
- if (nip == 0) {
+ if (!nip) {
LCONSOLE_ERROR_MSG(0x118,
"No local IP interfaces for ip2nets to match\n");
return -ENOENT;
@@ -1191,7 +1192,7 @@ lnet_parse_ip2nets(char **networksp, char *ip2nets)
return rc;
}
- if (rc == 0) {
+ if (!rc) {
LCONSOLE_ERROR_MSG(0x11a,
"ip2nets does not match any local IP interfaces\n");
return -ENOENT;
diff --git a/drivers/staging/lustre/lnet/lnet/lib-eq.c b/drivers/staging/lustre/lnet/lnet/lib-eq.c
index 34012e9..b8f248e 100644
--- a/drivers/staging/lustre/lnet/lnet/lib-eq.c
+++ b/drivers/staging/lustre/lnet/lnet/lib-eq.c
@@ -83,21 +83,21 @@ LNetEQAlloc(unsigned int count, lnet_eq_handler_t callback,
if (count)
count = roundup_pow_of_two(count);
- if (callback != LNET_EQ_HANDLER_NONE && count != 0)
+ if (callback != LNET_EQ_HANDLER_NONE && count)
CWARN("EQ callback is guaranteed to get every event, do you still want to set eqcount %d for polling event which will have locking overhead? Please contact with developer to confirm\n", count);
/*
* count can be 0 if only need callback, we can eliminate
* overhead of enqueue event
*/
- if (count == 0 && callback == LNET_EQ_HANDLER_NONE)
+ if (!count && callback == LNET_EQ_HANDLER_NONE)
return -EINVAL;
eq = lnet_eq_alloc();
if (!eq)
return -ENOMEM;
- if (count != 0) {
+ if (count) {
LIBCFS_ALLOC(eq->eq_events, count * sizeof(lnet_event_t));
if (!eq->eq_events)
goto failed;
@@ -185,7 +185,7 @@ LNetEQFree(lnet_handle_eq_t eqh)
cfs_percpt_for_each(ref, i, eq->eq_refs) {
LASSERT(*ref >= 0);
- if (*ref == 0)
+ if (!*ref)
continue;
CDEBUG(D_NET, "Event equeue (%d: %d) busy on destroy.\n",
@@ -221,7 +221,7 @@ lnet_eq_enqueue_event(lnet_eq_t *eq, lnet_event_t *ev)
/* MUST called with resource lock hold but w/o lnet_eq_wait_lock */
int index;
- if (eq->eq_size == 0) {
+ if (!eq->eq_size) {
LASSERT(eq->eq_callback != LNET_EQ_HANDLER_NONE);
eq->eq_callback(ev);
return;
@@ -321,7 +321,7 @@ __must_hold(&the_lnet.ln_eq_wait_lock)
wait_queue_t wl;
unsigned long now;
- if (tms == 0)
+ if (!tms)
return -1; /* don't want to wait and no new event */
init_waitqueue_entry(&wl, current);
@@ -340,7 +340,7 @@ __must_hold(&the_lnet.ln_eq_wait_lock)
tms = 0;
}
- wait = tms != 0; /* might need to call here again */
+ wait = tms; /* might need to call here again */
*timeout_ms = tms;
lnet_eq_wait_lock();
@@ -401,14 +401,14 @@ LNetEQPoll(lnet_handle_eq_t *eventqs, int neq, int timeout_ms,
}
rc = lnet_eq_dequeue_event(eq, event);
- if (rc != 0) {
+ if (rc) {
lnet_eq_wait_unlock();
*which = i;
return rc;
}
}
- if (wait == 0)
+ if (!wait)
break;
/*
diff --git a/drivers/staging/lustre/lnet/lnet/lib-md.c b/drivers/staging/lustre/lnet/lnet/lib-md.c
index 490edfb..f26bb03 100644
--- a/drivers/staging/lustre/lnet/lnet/lib-md.c
+++ b/drivers/staging/lustre/lnet/lnet/lib-md.c
@@ -46,7 +46,7 @@
void
lnet_md_unlink(lnet_libmd_t *md)
{
- if ((md->md_flags & LNET_MD_FLAG_ZOMBIE) == 0) {
+ if (!(md->md_flags & LNET_MD_FLAG_ZOMBIE)) {
/* first unlink attempt... */
lnet_me_t *me = md->md_me;
@@ -68,7 +68,7 @@ lnet_md_unlink(lnet_libmd_t *md)
lnet_res_lh_invalidate(&md->md_lh);
}
- if (md->md_refcount != 0) {
+ if (md->md_refcount) {
CDEBUG(D_NET, "Queueing unlink of md %p\n", md);
return;
}
@@ -105,8 +105,8 @@ lnet_md_build(lnet_libmd_t *lmd, lnet_md_t *umd, int unlink)
lmd->md_refcount = 0;
lmd->md_flags = (unlink == LNET_UNLINK) ? LNET_MD_FLAG_AUTO_UNLINK : 0;
- if ((umd->options & LNET_MD_IOVEC) != 0) {
- if ((umd->options & LNET_MD_KIOV) != 0) /* Can't specify both */
+ if (umd->options & LNET_MD_IOVEC) {
+ if (umd->options & LNET_MD_KIOV) /* Can't specify both */
return -EINVAL;
niov = umd->length;
@@ -125,12 +125,12 @@ lnet_md_build(lnet_libmd_t *lmd, lnet_md_t *umd, int unlink)
lmd->md_length = total_length;
- if ((umd->options & LNET_MD_MAX_SIZE) != 0 && /* use max size */
+ if ((umd->options & LNET_MD_MAX_SIZE) && /* use max size */
(umd->max_size < 0 ||
umd->max_size > total_length)) /* illegal max_size */
return -EINVAL;
- } else if ((umd->options & LNET_MD_KIOV) != 0) {
+ } else if (umd->options & LNET_MD_KIOV) {
niov = umd->length;
lmd->md_niov = umd->length;
memcpy(lmd->md_iov.kiov, umd->start,
@@ -147,7 +147,7 @@ lnet_md_build(lnet_libmd_t *lmd, lnet_md_t *umd, int unlink)
lmd->md_length = total_length;
- if ((umd->options & LNET_MD_MAX_SIZE) != 0 && /* max size used */
+ if ((umd->options & LNET_MD_MAX_SIZE) && /* max size used */
(umd->max_size < 0 ||
umd->max_size > total_length)) /* illegal max_size */
return -EINVAL;
@@ -158,7 +158,7 @@ lnet_md_build(lnet_libmd_t *lmd, lnet_md_t *umd, int unlink)
lmd->md_iov.iov[0].iov_base = umd->start;
lmd->md_iov.iov[0].iov_len = umd->length;
- if ((umd->options & LNET_MD_MAX_SIZE) != 0 && /* max size used */
+ if ((umd->options & LNET_MD_MAX_SIZE) && /* max size used */
(umd->max_size < 0 ||
umd->max_size > (int)umd->length)) /* illegal max_size */
return -EINVAL;
@@ -216,8 +216,8 @@ lnet_md_deconstruct(lnet_libmd_t *lmd, lnet_md_t *umd)
* and that's all.
*/
umd->start = lmd->md_start;
- umd->length = ((lmd->md_options &
- (LNET_MD_IOVEC | LNET_MD_KIOV)) == 0) ?
+ umd->length = !(lmd->md_options &
+ (LNET_MD_IOVEC | LNET_MD_KIOV)) ?
lmd->md_length : lmd->md_niov;
umd->threshold = lmd->md_threshold;
umd->max_size = lmd->md_max_size;
@@ -229,13 +229,13 @@ lnet_md_deconstruct(lnet_libmd_t *lmd, lnet_md_t *umd)
static int
lnet_md_validate(lnet_md_t *umd)
{
- if (!umd->start && umd->length != 0) {
+ if (!umd->start && umd->length) {
CERROR("MD start pointer can not be NULL with length %u\n",
umd->length);
return -EINVAL;
}
- if ((umd->options & (LNET_MD_KIOV | LNET_MD_IOVEC)) != 0 &&
+ if ((umd->options & (LNET_MD_KIOV | LNET_MD_IOVEC)) &&
umd->length > LNET_MAX_IOV) {
CERROR("Invalid option: too many fragments %u, %d max\n",
umd->length, LNET_MAX_IOV);
@@ -284,10 +284,10 @@ LNetMDAttach(lnet_handle_me_t meh, lnet_md_t umd,
LASSERT(the_lnet.ln_init);
LASSERT(the_lnet.ln_refcount > 0);
- if (lnet_md_validate(&umd) != 0)
+ if (lnet_md_validate(&umd))
return -EINVAL;
- if ((umd.options & (LNET_MD_OP_GET | LNET_MD_OP_PUT)) == 0) {
+ if (!(umd.options & (LNET_MD_OP_GET | LNET_MD_OP_PUT))) {
CERROR("Invalid option: no MD_OP set\n");
return -EINVAL;
}
@@ -300,7 +300,7 @@ LNetMDAttach(lnet_handle_me_t meh, lnet_md_t umd,
cpt = lnet_cpt_of_cookie(meh.cookie);
lnet_res_lock(cpt);
- if (rc != 0)
+ if (rc)
goto failed;
me = lnet_handle2me(&meh);
@@ -311,7 +311,7 @@ LNetMDAttach(lnet_handle_me_t meh, lnet_md_t umd,
else
rc = lnet_md_link(md, umd.eq_handle, cpt);
- if (rc != 0)
+ if (rc)
goto failed;
/*
@@ -363,10 +363,10 @@ LNetMDBind(lnet_md_t umd, lnet_unlink_t unlink, lnet_handle_md_t *handle)
LASSERT(the_lnet.ln_init);
LASSERT(the_lnet.ln_refcount > 0);
- if (lnet_md_validate(&umd) != 0)
+ if (lnet_md_validate(&umd))
return -EINVAL;
- if ((umd.options & (LNET_MD_OP_GET | LNET_MD_OP_PUT)) != 0) {
+ if ((umd.options & (LNET_MD_OP_GET | LNET_MD_OP_PUT))) {
CERROR("Invalid option: GET|PUT illegal on active MDs\n");
return -EINVAL;
}
@@ -378,11 +378,11 @@ LNetMDBind(lnet_md_t umd, lnet_unlink_t unlink, lnet_handle_md_t *handle)
rc = lnet_md_build(md, &umd, unlink);
cpt = lnet_res_lock_current();
- if (rc != 0)
+ if (rc)
goto failed;
rc = lnet_md_link(md, umd.eq_handle, cpt);
- if (rc != 0)
+ if (rc)
goto failed;
lnet_md2handle(handle, md);
@@ -453,7 +453,7 @@ LNetMDUnlink(lnet_handle_md_t mdh)
* when the LND is done, the completion event flags that the MD was
* unlinked. Otherwise, we enqueue an event now...
*/
- if (md->md_eq && md->md_refcount == 0) {
+ if (md->md_eq && !md->md_refcount) {
lnet_build_unlink_event(md, &ev);
lnet_eq_enqueue_event(md->md_eq, &ev);
}
diff --git a/drivers/staging/lustre/lnet/lnet/lib-me.c b/drivers/staging/lustre/lnet/lnet/lib-me.c
index ab17bdb..3c59c88 100644
--- a/drivers/staging/lustre/lnet/lnet/lib-me.c
+++ b/drivers/staging/lustre/lnet/lnet/lib-me.c
@@ -109,7 +109,7 @@ LNetMEAttach(unsigned int portal,
lnet_res_lh_initialize(the_lnet.ln_me_containers[mtable->mt_cpt],
&me->me_lh);
- if (ignore_bits != 0)
+ if (ignore_bits)
head = &mtable->mt_mhash[LNET_MT_HASH_IGNORE];
else
head = lnet_mt_match_head(mtable, match_id, match_bits);
@@ -248,7 +248,7 @@ LNetMEUnlink(lnet_handle_me_t meh)
md = me->me_md;
if (md) {
md->md_flags |= LNET_MD_FLAG_ABORTED;
- if (md->md_eq && md->md_refcount == 0) {
+ if (md->md_eq && !md->md_refcount) {
lnet_build_unlink_event(md, &ev);
lnet_eq_enqueue_event(md->md_eq, &ev);
}
diff --git a/drivers/staging/lustre/lnet/lnet/lib-move.c b/drivers/staging/lustre/lnet/lnet/lib-move.c
index 5e8a6ab..8f16913 100644
--- a/drivers/staging/lustre/lnet/lnet/lib-move.c
+++ b/drivers/staging/lustre/lnet/lnet/lib-move.c
@@ -57,7 +57,7 @@ lnet_fail_nid(lnet_nid_t nid, unsigned int threshold)
LASSERT(the_lnet.ln_init);
/* NB: use lnet_net_lock(0) to serialize operations on test peers */
- if (threshold != 0) {
+ if (threshold) {
/* Adding a new entry */
LIBCFS_ALLOC(tp, sizeof(*tp));
if (!tp)
@@ -80,7 +80,7 @@ lnet_fail_nid(lnet_nid_t nid, unsigned int threshold)
list_for_each_safe(el, next, &the_lnet.ln_test_peers) {
tp = list_entry(el, lnet_test_peer_t, tp_list);
- if (tp->tp_threshold == 0 || /* needs culling anyway */
+ if (!tp->tp_threshold || /* needs culling anyway */
nid == LNET_NID_ANY || /* removing all entries */
tp->tp_nid == nid) { /* matched this one */
list_del(&tp->tp_list);
@@ -116,7 +116,7 @@ fail_peer(lnet_nid_t nid, int outgoing)
list_for_each_safe(el, next, &the_lnet.ln_test_peers) {
tp = list_entry(el, lnet_test_peer_t, tp_list);
- if (tp->tp_threshold == 0) {
+ if (!tp->tp_threshold) {
/* zombie entry */
if (outgoing) {
/*
@@ -137,7 +137,7 @@ fail_peer(lnet_nid_t nid, int outgoing)
if (tp->tp_threshold != LNET_MD_THRESH_INF) {
tp->tp_threshold--;
if (outgoing &&
- tp->tp_threshold == 0) {
+ !tp->tp_threshold) {
/* see above */
list_del(&tp->tp_list);
list_add(&tp->tp_list, &cull);
@@ -179,7 +179,7 @@ lnet_copy_iov2iov(unsigned int ndiov, struct kvec *diov, unsigned int doffset,
/* NB diov, siov are READ-ONLY */
unsigned int this_nob;
- if (nob == 0)
+ if (!nob)
return;
/* skip complete frags before 'doffset' */
@@ -243,7 +243,7 @@ lnet_extract_iov(int dst_niov, struct kvec *dst,
unsigned int frag_len;
unsigned int niov;
- if (len == 0) /* no data => */
+ if (!len) /* no data => */
return 0; /* no frags */
LASSERT(src_niov > 0);
@@ -301,7 +301,7 @@ lnet_copy_kiov2kiov(unsigned int ndiov, lnet_kiov_t *diov, unsigned int doffset,
char *daddr = NULL;
char *saddr = NULL;
- if (nob == 0)
+ if (!nob)
return;
LASSERT(!in_interrupt());
@@ -383,7 +383,7 @@ lnet_copy_kiov2iov(unsigned int niov, struct kvec *iov, unsigned int iovoffset,
unsigned int this_nob;
char *addr = NULL;
- if (nob == 0)
+ if (!nob)
return;
LASSERT(!in_interrupt());
@@ -454,7 +454,7 @@ lnet_copy_iov2kiov(unsigned int nkiov, lnet_kiov_t *kiov,
unsigned int this_nob;
char *addr = NULL;
- if (nob == 0)
+ if (!nob)
return;
LASSERT(!in_interrupt());
@@ -527,7 +527,7 @@ lnet_extract_kiov(int dst_niov, lnet_kiov_t *dst,
unsigned int frag_len;
unsigned int niov;
- if (len == 0) /* no data => */
+ if (!len) /* no data => */
return 0; /* no frags */
LASSERT(src_niov > 0);
@@ -577,7 +577,7 @@ lnet_ni_recv(lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed,
int rc;
LASSERT(!in_interrupt());
- LASSERT(mlen == 0 || msg);
+ LASSERT(!mlen || msg);
if (msg) {
LASSERT(msg->msg_receiving);
@@ -589,7 +589,7 @@ lnet_ni_recv(lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed,
msg->msg_receiving = 0;
- if (mlen != 0) {
+ if (mlen) {
niov = msg->msg_niov;
iov = msg->msg_iov;
kiov = msg->msg_kiov;
@@ -613,12 +613,12 @@ lnet_setpayloadbuffer(lnet_msg_t *msg)
LASSERT(msg->msg_len > 0);
LASSERT(!msg->msg_routing);
LASSERT(md);
- LASSERT(msg->msg_niov == 0);
+ LASSERT(!msg->msg_niov);
LASSERT(!msg->msg_iov);
LASSERT(!msg->msg_kiov);
msg->msg_niov = md->md_niov;
- if ((md->md_options & LNET_MD_KIOV) != 0)
+ if (md->md_options & LNET_MD_KIOV)
msg->msg_kiov = md->md_iov.kiov;
else
msg->msg_iov = md->md_iov.iov;
@@ -633,7 +633,7 @@ lnet_prep_send(lnet_msg_t *msg, int type, lnet_process_id_t target,
msg->msg_len = len;
msg->msg_offset = offset;
- if (len != 0)
+ if (len)
lnet_setpayloadbuffer(msg);
memset(&msg->msg_hdr, 0, sizeof(msg->msg_hdr));
@@ -673,7 +673,7 @@ lnet_ni_eager_recv(lnet_ni_t *ni, lnet_msg_t *msg)
msg->msg_rx_ready_delay = 1;
rc = ni->ni_lnd->lnd_eager_recv(ni, msg->msg_private, msg,
&msg->msg_private);
- if (rc != 0) {
+ if (rc) {
CERROR("recv from %s / send to %s aborted: eager_recv failed %d\n",
libcfs_nid2str(msg->msg_rxpeer->lp_nid),
libcfs_id2str(msg->msg_target), rc);
@@ -698,7 +698,7 @@ lnet_ni_query_locked(lnet_ni_t *ni, lnet_peer_t *lp)
lp->lp_last_query = cfs_time_current();
- if (last_alive != 0) /* NI has updated timestamp */
+ if (last_alive) /* NI has updated timestamp */
lp->lp_last_alive = last_alive;
}
@@ -727,7 +727,7 @@ lnet_peer_is_alive(lnet_peer_t *lp, unsigned long now)
* case, and moreover lp_last_alive at peer creation is assumed.
*/
if (alive && !lp->lp_alive &&
- !(lnet_isrouter(lp) && lp->lp_alive_count == 0))
+ !(lnet_isrouter(lp) && !lp->lp_alive_count))
lnet_notify_locked(lp, 0, 1, lp->lp_last_alive);
return alive;
@@ -752,7 +752,7 @@ lnet_peer_alive_locked(lnet_peer_t *lp)
* Peer appears dead, but we should avoid frequent NI queries (at
* most once per lnet_queryinterval seconds).
*/
- if (lp->lp_last_query != 0) {
+ if (lp->lp_last_query) {
static const int lnet_queryinterval = 1;
unsigned long next_query =
@@ -805,8 +805,8 @@ lnet_post_send_locked(lnet_msg_t *msg, int do_send)
LASSERT(msg->msg_tx_committed);
/* NB 'lp' is always the next hop */
- if ((msg->msg_target.pid & LNET_PID_USERFLAG) == 0 &&
- lnet_peer_alive_locked(lp) == 0) {
+ if (!(msg->msg_target.pid & LNET_PID_USERFLAG) &&
+ !lnet_peer_alive_locked(lp)) {
the_lnet.ln_counters[cpt]->drop_count++;
the_lnet.ln_counters[cpt]->drop_length += msg->msg_len;
lnet_net_unlock(cpt);
@@ -821,7 +821,7 @@ lnet_post_send_locked(lnet_msg_t *msg, int do_send)
}
if (msg->msg_md &&
- (msg->msg_md->md_flags & LNET_MD_FLAG_ABORTED) != 0) {
+ (msg->msg_md->md_flags & LNET_MD_FLAG_ABORTED)) {
lnet_net_unlock(cpt);
CNETERR("Aborting message for %s: LNetM[DE]Unlink() already called on the MD/ME.\n",
@@ -910,7 +910,7 @@ lnet_post_routed_recv_locked(lnet_msg_t *msg, int do_recv)
LASSERT(!msg->msg_iov);
LASSERT(!msg->msg_kiov);
- LASSERT(msg->msg_niov == 0);
+ LASSERT(!msg->msg_niov);
LASSERT(msg->msg_routing);
LASSERT(msg->msg_receiving);
LASSERT(!msg->msg_sending);
@@ -1157,8 +1157,8 @@ lnet_find_route_locked(lnet_ni_t *ni, lnet_nid_t target, lnet_nid_t rtr_nid)
lp = rtr->lr_gateway;
if (!lp->lp_alive || /* gateway is down */
- ((lp->lp_ping_feats & LNET_PING_FEAT_NI_STATUS) != 0 &&
- rtr->lr_downis != 0)) /* NI to target is down */
+ ((lp->lp_ping_feats & LNET_PING_FEAT_NI_STATUS) &&
+ rtr->lr_downis)) /* NI to target is down */
continue;
if (ni && lp->lp_ni != ni)
@@ -1283,7 +1283,7 @@ lnet_send(lnet_nid_t src_nid, lnet_msg_t *msg, lnet_nid_t rtr_nid)
rc = lnet_nid2peer_locked(&lp, dst_nid, cpt);
/* lp has ref on src_ni; lose mine */
lnet_ni_decref_locked(src_ni, cpt);
- if (rc != 0) {
+ if (rc) {
lnet_net_unlock(cpt);
LCONSOLE_WARN("Error %d finding peer %s\n", rc,
libcfs_nid2str(dst_nid));
@@ -1365,10 +1365,10 @@ lnet_send(lnet_nid_t src_nid, lnet_msg_t *msg, lnet_nid_t rtr_nid)
if (rc == EHOSTUNREACH || rc == ECANCELED)
return -rc;
- if (rc == 0)
+ if (!rc)
lnet_ni_send(src_ni, msg);
- return 0; /* rc == 0 or EAGAIN */
+ return 0; /* !rc or EAGAIN */
}
static void
@@ -1387,7 +1387,7 @@ lnet_recv_put(lnet_ni_t *ni, lnet_msg_t *msg)
{
lnet_hdr_t *hdr = &msg->msg_hdr;
- if (msg->msg_wanted != 0)
+ if (msg->msg_wanted)
lnet_setpayloadbuffer(msg);
lnet_build_msg_event(msg, LNET_EVENT_PUT);
@@ -1396,8 +1396,8 @@ lnet_recv_put(lnet_ni_t *ni, lnet_msg_t *msg)
* Must I ACK? If so I'll grab the ack_wmd out of the header and put
* it back into the ACK during lnet_finalize()
*/
- msg->msg_ack = (!lnet_is_wire_handle_none(&hdr->msg.put.ack_wmd) &&
- (msg->msg_md->md_options & LNET_MD_ACK_DISABLE) == 0);
+ msg->msg_ack = !lnet_is_wire_handle_none(&hdr->msg.put.ack_wmd) &&
+ !(msg->msg_md->md_options & LNET_MD_ACK_DISABLE);
lnet_ni_recv(ni, msg->msg_private, msg, msg->msg_rx_delayed,
msg->msg_offset, msg->msg_wanted, hdr->payload_length);
@@ -1440,7 +1440,7 @@ lnet_parse_put(lnet_ni_t *ni, lnet_msg_t *msg)
return 0;
rc = lnet_ni_eager_recv(ni, msg);
- if (rc == 0)
+ if (!rc)
goto again;
/* fall through */
@@ -1536,7 +1536,7 @@ lnet_parse_reply(lnet_ni_t *ni, lnet_msg_t *msg)
/* NB handles only looked up by creator (no flips) */
md = lnet_wire_handle2md(&hdr->msg.reply.dst_wmd);
- if (!md || md->md_threshold == 0 || md->md_me) {
+ if (!md || !md->md_threshold || md->md_me) {
CNETERR("%s: Dropping REPLY from %s for %s MD %#llx.%#llx\n",
libcfs_nid2str(ni->ni_nid), libcfs_id2str(src),
!md ? "invalid" : "inactive",
@@ -1550,13 +1550,13 @@ lnet_parse_reply(lnet_ni_t *ni, lnet_msg_t *msg)
return ENOENT; /* +ve: OK but no match */
}
- LASSERT(md->md_offset == 0);
+ LASSERT(!md->md_offset);
rlength = hdr->payload_length;
mlength = min_t(uint, rlength, md->md_length);
if (mlength < rlength &&
- (md->md_options & LNET_MD_TRUNCATE) == 0) {
+ !(md->md_options & LNET_MD_TRUNCATE)) {
CNETERR("%s: Dropping REPLY from %s length %d for MD %#llx would overflow (%d)\n",
libcfs_nid2str(ni->ni_nid), libcfs_id2str(src),
rlength, hdr->msg.reply.dst_wmd.wh_object_cookie,
@@ -1571,7 +1571,7 @@ lnet_parse_reply(lnet_ni_t *ni, lnet_msg_t *msg)
lnet_msg_attach_md(msg, md, 0, mlength);
- if (mlength != 0)
+ if (mlength)
lnet_setpayloadbuffer(msg);
lnet_res_unlock(cpt);
@@ -1602,7 +1602,7 @@ lnet_parse_ack(lnet_ni_t *ni, lnet_msg_t *msg)
/* NB handles only looked up by creator (no flips) */
md = lnet_wire_handle2md(&hdr->msg.ack.dst_wmd);
- if (!md || md->md_threshold == 0 || md->md_me) {
+ if (!md || !md->md_threshold || md->md_me) {
/* Don't moan; this is expected */
CDEBUG(D_NET,
"%s: Dropping ACK from %s to %s MD %#llx.%#llx\n",
@@ -1648,7 +1648,7 @@ lnet_parse_forward_locked(lnet_ni_t *ni, lnet_msg_t *msg)
}
}
- if (rc == 0)
+ if (!rc)
rc = lnet_post_routed_recv_locked(msg, 0);
return rc;
}
@@ -1893,7 +1893,7 @@ lnet_parse(lnet_ni_t *ni, lnet_hdr_t *hdr, lnet_nid_t from_nid,
lnet_net_lock(cpt);
rc = lnet_nid2peer_locked(&msg->msg_rxpeer, from_nid, cpt);
- if (rc != 0) {
+ if (rc) {
lnet_net_unlock(cpt);
CERROR("%s, src %s: Dropping %s (error %d looking up sender)\n",
libcfs_nid2str(from_nid), libcfs_nid2str(src_nid),
@@ -1923,7 +1923,7 @@ lnet_parse(lnet_ni_t *ni, lnet_hdr_t *hdr, lnet_nid_t from_nid,
if (rc < 0)
goto free_drop;
- if (rc == 0) {
+ if (!rc) {
lnet_ni_recv(ni, msg->msg_private, msg, 0,
0, payload_length, payload_length);
}
@@ -1951,7 +1951,7 @@ lnet_parse(lnet_ni_t *ni, lnet_hdr_t *hdr, lnet_nid_t from_nid,
goto free_drop; /* prevent an unused label if !kernel */
}
- if (rc == 0)
+ if (!rc)
return 0;
LASSERT(rc == ENOENT);
@@ -2117,7 +2117,7 @@ LNetPut(lnet_nid_t self, lnet_handle_md_t mdh, lnet_ack_req_t ack,
lnet_res_lock(cpt);
md = lnet_handle2md(&mdh);
- if (!md || md->md_threshold == 0 || md->md_me) {
+ if (!md || !md->md_threshold || md->md_me) {
CERROR("Dropping PUT (%llu:%d:%s): MD (%d) invalid\n",
match_bits, portal, libcfs_id2str(target),
!md ? -1 : md->md_threshold);
@@ -2159,7 +2159,7 @@ LNetPut(lnet_nid_t self, lnet_handle_md_t mdh, lnet_ack_req_t ack,
lnet_build_msg_event(msg, LNET_EVENT_SEND);
rc = lnet_send(self, msg, LNET_NID_ANY);
- if (rc != 0) {
+ if (rc) {
CNETERR("Error sending PUT to %s: %d\n",
libcfs_id2str(target), rc);
lnet_finalize(NULL, msg, rc);
@@ -2200,7 +2200,7 @@ lnet_create_reply_msg(lnet_ni_t *ni, lnet_msg_t *getmsg)
goto drop;
}
- if (getmd->md_threshold == 0) {
+ if (!getmd->md_threshold) {
CERROR("%s: Dropping REPLY from %s for inactive MD %p\n",
libcfs_nid2str(ni->ni_nid), libcfs_id2str(peer_id),
getmd);
@@ -2208,7 +2208,7 @@ lnet_create_reply_msg(lnet_ni_t *ni, lnet_msg_t *getmsg)
goto drop;
}
- LASSERT(getmd->md_offset == 0);
+ LASSERT(!getmd->md_offset);
CDEBUG(D_NET, "%s: Reply from %s md %p\n",
libcfs_nid2str(ni->ni_nid), libcfs_id2str(peer_id), getmd);
@@ -2321,7 +2321,7 @@ LNetGet(lnet_nid_t self, lnet_handle_md_t mdh,
lnet_res_lock(cpt);
md = lnet_handle2md(&mdh);
- if (!md || md->md_threshold == 0 || md->md_me) {
+ if (!md || !md->md_threshold || md->md_me) {
CERROR("Dropping GET (%llu:%d:%s): MD (%d) invalid\n",
match_bits, portal, libcfs_id2str(target),
!md ? -1 : md->md_threshold);
diff --git a/drivers/staging/lustre/lnet/lnet/lib-msg.c b/drivers/staging/lustre/lnet/lnet/lib-msg.c
index 5ee390c..749e76a 100644
--- a/drivers/staging/lustre/lnet/lnet/lib-msg.c
+++ b/drivers/staging/lustre/lnet/lnet/lib-msg.c
@@ -172,7 +172,7 @@ lnet_msg_decommit_tx(lnet_msg_t *msg, int status)
lnet_event_t *ev = &msg->msg_ev;
LASSERT(msg->msg_tx_committed);
- if (status != 0)
+ if (status)
goto out;
counters = the_lnet.ln_counters[msg->msg_tx_cpt];
@@ -180,7 +180,7 @@ lnet_msg_decommit_tx(lnet_msg_t *msg, int status)
default: /* routed message */
LASSERT(msg->msg_routing);
LASSERT(msg->msg_rx_committed);
- LASSERT(ev->type == 0);
+ LASSERT(!ev->type);
counters->route_length += msg->msg_len;
counters->route_count++;
@@ -226,13 +226,13 @@ lnet_msg_decommit_rx(lnet_msg_t *msg, int status)
LASSERT(!msg->msg_tx_committed); /* decommitted or never committed */
LASSERT(msg->msg_rx_committed);
- if (status != 0)
+ if (status)
goto out;
counters = the_lnet.ln_counters[msg->msg_rx_cpt];
switch (ev->type) {
default:
- LASSERT(ev->type == 0);
+ LASSERT(!ev->type);
LASSERT(msg->msg_routing);
goto out;
@@ -371,7 +371,7 @@ lnet_complete_msg_locked(lnet_msg_t *msg, int cpt)
LASSERT(msg->msg_onactivelist);
- if (status == 0 && msg->msg_ack) {
+ if (!status && msg->msg_ack) {
/* Only send an ACK if the PUT completed successfully */
lnet_msg_decommit(msg, cpt, 0);
@@ -410,7 +410,7 @@ lnet_complete_msg_locked(lnet_msg_t *msg, int cpt)
*/
return rc;
- } else if (status == 0 && /* OK so far */
+ } else if (!status && /* OK so far */
(msg->msg_routing && !msg->msg_sending)) {
/* not forwarded */
LASSERT(!msg->msg_receiving); /* called back recv already */
@@ -531,14 +531,14 @@ lnet_finalize(lnet_ni_t *ni, lnet_msg_t *msg, int status)
* anything, so my finalizing friends can chomp along too
*/
rc = lnet_complete_msg_locked(msg, cpt);
- if (rc != 0)
+ if (rc)
break;
}
container->msc_finalizers[my_slot] = NULL;
lnet_net_unlock(cpt);
- if (rc != 0)
+ if (rc)
goto again;
}
EXPORT_SYMBOL(lnet_finalize);
@@ -548,7 +548,7 @@ lnet_msg_container_cleanup(struct lnet_msg_container *container)
{
int count = 0;
- if (container->msc_init == 0)
+ if (!container->msc_init)
return;
while (!list_empty(&container->msc_active)) {
@@ -592,7 +592,7 @@ lnet_msg_container_setup(struct lnet_msg_container *container, int cpt)
rc = lnet_freelist_init(&container->msc_freelist,
LNET_FL_MAX_MSGS, sizeof(lnet_msg_t));
- if (rc != 0) {
+ if (rc) {
CERROR("Failed to init freelist for message container\n");
lnet_msg_container_cleanup(container);
return rc;
@@ -649,7 +649,7 @@ lnet_msg_containers_create(void)
cfs_percpt_for_each(container, i, the_lnet.ln_msg_containers) {
rc = lnet_msg_container_setup(container, i);
- if (rc != 0) {
+ if (rc) {
lnet_msg_containers_destroy();
return rc;
}
diff --git a/drivers/staging/lustre/lnet/lnet/lib-ptl.c b/drivers/staging/lustre/lnet/lnet/lib-ptl.c
index aca47de..0cdeea9 100644
--- a/drivers/staging/lustre/lnet/lnet/lib-ptl.c
+++ b/drivers/staging/lustre/lnet/lnet/lib-ptl.c
@@ -50,7 +50,7 @@ lnet_ptl_match_type(unsigned int index, lnet_process_id_t match_id,
struct lnet_portal *ptl = the_lnet.ln_portals[index];
int unique;
- unique = ignore_bits == 0 &&
+ unique = !ignore_bits &&
match_id.nid != LNET_NID_ANY &&
match_id.pid != LNET_PID_ANY;
@@ -152,7 +152,7 @@ lnet_try_match_md(lnet_libmd_t *md,
return LNET_MATCHMD_NONE | LNET_MATCHMD_EXHAUSTED;
/* mismatched MD op */
- if ((md->md_options & info->mi_opc) == 0)
+ if (!(md->md_options & info->mi_opc))
return LNET_MATCHMD_NONE;
/* mismatched ME nid/pid? */
@@ -165,17 +165,17 @@ lnet_try_match_md(lnet_libmd_t *md,
return LNET_MATCHMD_NONE;
/* mismatched ME matchbits? */
- if (((me->me_match_bits ^ info->mi_mbits) & ~me->me_ignore_bits) != 0)
+ if ((me->me_match_bits ^ info->mi_mbits) & ~me->me_ignore_bits)
return LNET_MATCHMD_NONE;
/* Hurrah! This _is_ a match; check it out... */
- if ((md->md_options & LNET_MD_MANAGE_REMOTE) == 0)
+ if (!(md->md_options & LNET_MD_MANAGE_REMOTE))
offset = md->md_offset;
else
offset = info->mi_roffset;
- if ((md->md_options & LNET_MD_MAX_SIZE) != 0) {
+ if (md->md_options & LNET_MD_MAX_SIZE) {
mlength = md->md_max_size;
LASSERT(md->md_offset + mlength <= md->md_length);
} else {
@@ -184,7 +184,7 @@ lnet_try_match_md(lnet_libmd_t *md,
if (info->mi_rlength <= mlength) { /* fits in allowed space */
mlength = info->mi_rlength;
- } else if ((md->md_options & LNET_MD_TRUNCATE) == 0) {
+ } else if (!(md->md_options & LNET_MD_TRUNCATE)) {
/* this packet _really_ is too big */
CERROR("Matching packet from %s, match %llu length %d too big: %d left, %d allowed\n",
libcfs_id2str(info->mi_id), info->mi_mbits,
@@ -210,7 +210,7 @@ lnet_try_match_md(lnet_libmd_t *md,
* We bumped md->md_refcount above so the MD just gets flagged
* for unlink when it is finalized.
*/
- if ((md->md_flags & LNET_MD_FLAG_AUTO_UNLINK) != 0)
+ if (md->md_flags & LNET_MD_FLAG_AUTO_UNLINK)
lnet_md_unlink(md);
return LNET_MATCHMD_OK | LNET_MATCHMD_EXHAUSTED;
@@ -304,7 +304,7 @@ lnet_mt_of_match(struct lnet_match_info *info, struct lnet_msg *msg)
/* is there any active entry for this portal? */
nmaps = ptl->ptl_mt_nmaps;
/* map to an active mtable to avoid heavy "stealing" */
- if (nmaps != 0) {
+ if (nmaps) {
/*
* NB: there is possibility that ptl_mt_maps is being
* changed because we are not under protection of
@@ -339,7 +339,7 @@ lnet_mt_test_exhausted(struct lnet_match_table *mtable, int pos)
bmap = &mtable->mt_exhausted[pos >> LNET_MT_BITS_U64];
pos &= (1 << LNET_MT_BITS_U64) - 1;
- return ((*bmap) & (1ULL << pos)) != 0;
+ return (*bmap & (1ULL << pos));
}
static void
@@ -405,10 +405,10 @@ lnet_mt_match_md(struct lnet_match_table *mtable,
LASSERT(me == me->me_md->md_me);
rc = lnet_try_match_md(me->me_md, info, msg);
- if ((rc & LNET_MATCHMD_EXHAUSTED) == 0)
+ if (!(rc & LNET_MATCHMD_EXHAUSTED))
exhausted = 0; /* mlist is not empty */
- if ((rc & LNET_MATCHMD_FINISH) != 0) {
+ if (rc & LNET_MATCHMD_FINISH) {
/*
* don't return EXHAUSTED bit because we don't know
* whether the mlist is empty or not
@@ -423,7 +423,7 @@ lnet_mt_match_md(struct lnet_match_table *mtable,
exhausted = 0;
}
- if (exhausted == 0 && head == &mtable->mt_mhash[LNET_MT_HASH_IGNORE]) {
+ if (!exhausted && head == &mtable->mt_mhash[LNET_MT_HASH_IGNORE]) {
head = lnet_mt_match_head(mtable, info->mi_id, info->mi_mbits);
goto again; /* re-check MEs w/o ignore-bits */
}
@@ -490,13 +490,13 @@ lnet_ptl_match_delay(struct lnet_portal *ptl,
cpt = (first + i) % LNET_CPT_NUMBER;
mtable = ptl->ptl_mtables[cpt];
- if (i != 0 && i != LNET_CPT_NUMBER - 1 && !mtable->mt_enabled)
+ if (i && i != LNET_CPT_NUMBER - 1 && !mtable->mt_enabled)
continue;
lnet_res_lock(cpt);
lnet_ptl_lock(ptl);
- if (i == 0) { /* the first try, attach on stealing list */
+ if (!i) { /* the first try, attach on stealing list */
list_add_tail(&msg->msg_list,
&ptl->ptl_msg_stealing);
}
@@ -504,11 +504,11 @@ lnet_ptl_match_delay(struct lnet_portal *ptl,
if (!list_empty(&msg->msg_list)) { /* on stealing list */
rc = lnet_mt_match_md(mtable, info, msg);
- if ((rc & LNET_MATCHMD_EXHAUSTED) != 0 &&
+ if ((rc & LNET_MATCHMD_EXHAUSTED) &&
mtable->mt_enabled)
lnet_ptl_disable_mt(ptl, cpt);
- if ((rc & LNET_MATCHMD_FINISH) != 0)
+ if (rc & LNET_MATCHMD_FINISH)
list_del_init(&msg->msg_list);
} else {
@@ -522,7 +522,7 @@ lnet_ptl_match_delay(struct lnet_portal *ptl,
if (!list_empty(&msg->msg_list) && /* not matched yet */
(i == LNET_CPT_NUMBER - 1 || /* the last CPT */
- ptl->ptl_mt_nmaps == 0 || /* no active CPT */
+ !ptl->ptl_mt_nmaps || /* no active CPT */
(ptl->ptl_mt_nmaps == 1 && /* the only active CPT */
ptl->ptl_mt_maps[0] == cpt))) {
/* nothing to steal, delay or drop */
@@ -541,7 +541,7 @@ lnet_ptl_match_delay(struct lnet_portal *ptl,
lnet_ptl_unlock(ptl);
lnet_res_unlock(cpt);
- if ((rc & LNET_MATCHMD_FINISH) != 0 || msg->msg_rx_delayed)
+ if ((rc & LNET_MATCHMD_FINISH) || msg->msg_rx_delayed)
break;
}
@@ -567,7 +567,7 @@ lnet_ptl_match_md(struct lnet_match_info *info, struct lnet_msg *msg)
ptl = the_lnet.ln_portals[info->mi_portal];
rc = lnet_ptl_match_early(ptl, msg);
- if (rc != 0) /* matched or delayed early message */
+ if (rc) /* matched or delayed early message */
return rc;
mtable = lnet_mt_of_match(info, msg);
@@ -579,13 +579,13 @@ lnet_ptl_match_md(struct lnet_match_info *info, struct lnet_msg *msg)
}
rc = lnet_mt_match_md(mtable, info, msg);
- if ((rc & LNET_MATCHMD_EXHAUSTED) != 0 && mtable->mt_enabled) {
+ if ((rc & LNET_MATCHMD_EXHAUSTED) && mtable->mt_enabled) {
lnet_ptl_lock(ptl);
lnet_ptl_disable_mt(ptl, mtable->mt_cpt);
lnet_ptl_unlock(ptl);
}
- if ((rc & LNET_MATCHMD_FINISH) != 0) /* matched or dropping */
+ if (rc & LNET_MATCHMD_FINISH) /* matched or dropping */
goto out1;
if (!msg->msg_rx_ready_delay)
@@ -646,7 +646,7 @@ lnet_ptl_attach_md(lnet_me_t *me, lnet_libmd_t *md,
int exhausted = 0;
int cpt;
- LASSERT(md->md_refcount == 0); /* a brand new MD */
+ LASSERT(!md->md_refcount); /* a brand new MD */
me->me_md = md;
md->md_me = me;
@@ -680,15 +680,15 @@ lnet_ptl_attach_md(lnet_me_t *me, lnet_libmd_t *md,
rc = lnet_try_match_md(md, &info, msg);
- exhausted = (rc & LNET_MATCHMD_EXHAUSTED) != 0;
- if ((rc & LNET_MATCHMD_NONE) != 0) {
+ exhausted = (rc & LNET_MATCHMD_EXHAUSTED);
+ if (rc & LNET_MATCHMD_NONE) {
if (exhausted)
break;
continue;
}
/* Hurrah! This _is_ a match */
- LASSERT((rc & LNET_MATCHMD_FINISH) != 0);
+ LASSERT(rc & LNET_MATCHMD_FINISH);
list_del_init(&msg->msg_list);
if (head == &ptl->ptl_msg_stealing) {
@@ -698,7 +698,7 @@ lnet_ptl_attach_md(lnet_me_t *me, lnet_libmd_t *md,
continue;
}
- if ((rc & LNET_MATCHMD_OK) != 0) {
+ if (rc & LNET_MATCHMD_OK) {
list_add_tail(&msg->msg_list, matches);
CDEBUG(D_NET, "Resuming delayed PUT from %s portal %d match %llu offset %d length %d.\n",
diff --git a/drivers/staging/lustre/lnet/lnet/lib-socket.c b/drivers/staging/lustre/lnet/lnet/lib-socket.c
index 0cf0645..53dd0bd 100644
--- a/drivers/staging/lustre/lnet/lnet/lib-socket.c
+++ b/drivers/staging/lustre/lnet/lnet/lib-socket.c
@@ -64,7 +64,7 @@ lnet_sock_ioctl(int cmd, unsigned long arg)
int rc;
rc = sock_create(PF_INET, SOCK_STREAM, 0, &sock);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create socket: %d\n", rc);
return rc;
}
@@ -101,12 +101,12 @@ lnet_ipif_query(char *name, int *up, __u32 *ip, __u32 *mask)
strcpy(ifr.ifr_name, name);
rc = lnet_sock_ioctl(SIOCGIFFLAGS, (unsigned long)&ifr);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't get flags for interface %s\n", name);
return rc;
}
- if ((ifr.ifr_flags & IFF_UP) == 0) {
+ if (!(ifr.ifr_flags & IFF_UP)) {
CDEBUG(D_NET, "Interface %s down\n", name);
*up = 0;
*ip = *mask = 0;
@@ -117,7 +117,7 @@ lnet_ipif_query(char *name, int *up, __u32 *ip, __u32 *mask)
strcpy(ifr.ifr_name, name);
ifr.ifr_addr.sa_family = AF_INET;
rc = lnet_sock_ioctl(SIOCGIFADDR, (unsigned long)&ifr);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't get IP address for interface %s\n", name);
return rc;
}
@@ -128,7 +128,7 @@ lnet_ipif_query(char *name, int *up, __u32 *ip, __u32 *mask)
strcpy(ifr.ifr_name, name);
ifr.ifr_addr.sa_family = AF_INET;
rc = lnet_sock_ioctl(SIOCGIFNETMASK, (unsigned long)&ifr);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't get netmask for interface %s\n", name);
return rc;
}
@@ -181,7 +181,7 @@ lnet_ipif_enumerate(char ***namesp)
goto out1;
}
- LASSERT(rc == 0);
+ LASSERT(!rc);
nfound = ifc.ifc_len / sizeof(*ifr);
LASSERT(nfound <= nalloc);
@@ -193,7 +193,7 @@ lnet_ipif_enumerate(char ***namesp)
nalloc *= 2;
}
- if (nfound == 0)
+ if (!nfound)
goto out1;
LIBCFS_ALLOC(names, nfound * sizeof(*names));
@@ -268,10 +268,10 @@ lnet_sock_write(struct socket *sock, void *buffer, int nob, int timeout)
.iov_len = nob
};
struct msghdr msg = {
- .msg_flags = (timeout == 0) ? MSG_DONTWAIT : 0
+ .msg_flags = !timeout ? MSG_DONTWAIT : 0
};
- if (timeout != 0) {
+ if (timeout) {
/* Set send timeout to remaining time */
tv = (struct timeval) {
.tv_sec = ticks / HZ,
@@ -279,7 +279,7 @@ lnet_sock_write(struct socket *sock, void *buffer, int nob, int timeout)
};
rc = kernel_setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO,
(char *)&tv, sizeof(tv));
- if (rc != 0) {
+ if (rc) {
CERROR("Can't set socket send timeout %ld.%06d: %d\n",
(long)tv.tv_sec, (int)tv.tv_usec, rc);
return rc;
@@ -296,7 +296,7 @@ lnet_sock_write(struct socket *sock, void *buffer, int nob, int timeout)
if (rc < 0)
return rc;
- if (rc == 0) {
+ if (!rc) {
CERROR("Unexpected zero rc\n");
return -ECONNABORTED;
}
@@ -338,7 +338,7 @@ lnet_sock_read(struct socket *sock, void *buffer, int nob, int timeout)
};
rc = kernel_setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO,
(char *)&tv, sizeof(tv));
- if (rc != 0) {
+ if (rc) {
CERROR("Can't set socket recv timeout %ld.%06d: %d\n",
(long)tv.tv_sec, (int)tv.tv_usec, rc);
return rc;
@@ -351,13 +351,13 @@ lnet_sock_read(struct socket *sock, void *buffer, int nob, int timeout)
if (rc < 0)
return rc;
- if (rc == 0)
+ if (!rc)
return -ECONNRESET;
buffer = ((char *)buffer) + rc;
nob -= rc;
- if (nob == 0)
+ if (!nob)
return 0;
if (ticks <= 0)
@@ -380,7 +380,7 @@ lnet_sock_create(struct socket **sockp, int *fatal, __u32 local_ip,
rc = sock_create(PF_INET, SOCK_STREAM, 0, &sock);
*sockp = sock;
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create socket: %d\n", rc);
return rc;
}
@@ -388,16 +388,16 @@ lnet_sock_create(struct socket **sockp, int *fatal, __u32 local_ip,
option = 1;
rc = kernel_setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
(char *)&option, sizeof(option));
- if (rc != 0) {
+ if (rc) {
CERROR("Can't set SO_REUSEADDR for socket: %d\n", rc);
goto failed;
}
- if (local_ip != 0 || local_port != 0) {
+ if (local_ip || local_port) {
memset(&locaddr, 0, sizeof(locaddr));
locaddr.sin_family = AF_INET;
locaddr.sin_port = htons(local_port);
- locaddr.sin_addr.s_addr = (local_ip == 0) ?
+ locaddr.sin_addr.s_addr = !local_ip ?
INADDR_ANY : htonl(local_ip);
rc = kernel_bind(sock, (struct sockaddr *)&locaddr,
@@ -407,7 +407,7 @@ lnet_sock_create(struct socket **sockp, int *fatal, __u32 local_ip,
*fatal = 0;
goto failed;
}
- if (rc != 0) {
+ if (rc) {
CERROR("Error trying to bind to port %d: %d\n",
local_port, rc);
goto failed;
@@ -426,22 +426,22 @@ lnet_sock_setbuf(struct socket *sock, int txbufsize, int rxbufsize)
int option;
int rc;
- if (txbufsize != 0) {
+ if (txbufsize) {
option = txbufsize;
rc = kernel_setsockopt(sock, SOL_SOCKET, SO_SNDBUF,
(char *)&option, sizeof(option));
- if (rc != 0) {
+ if (rc) {
CERROR("Can't set send buffer %d: %d\n",
option, rc);
return rc;
}
}
- if (rxbufsize != 0) {
+ if (rxbufsize) {
option = rxbufsize;
rc = kernel_setsockopt(sock, SOL_SOCKET, SO_RCVBUF,
(char *)&option, sizeof(option));
- if (rc != 0) {
+ if (rc) {
CERROR("Can't set receive buffer %d: %d\n",
option, rc);
return rc;
@@ -462,7 +462,7 @@ lnet_sock_getaddr(struct socket *sock, bool remote, __u32 *ip, int *port)
rc = kernel_getpeername(sock, (struct sockaddr *)&sin, &len);
else
rc = kernel_getsockname(sock, (struct sockaddr *)&sin, &len);
- if (rc != 0) {
+ if (rc) {
CERROR("Error %d getting sock %s IP/port\n",
rc, remote ? "peer" : "local");
return rc;
@@ -499,7 +499,7 @@ lnet_sock_listen(struct socket **sockp, __u32 local_ip, int local_port,
int rc;
rc = lnet_sock_create(sockp, &fatal, local_ip, local_port);
- if (rc != 0) {
+ if (rc) {
if (!fatal)
CERROR("Can't create socket: port %d already in use\n",
local_port);
@@ -507,7 +507,7 @@ lnet_sock_listen(struct socket **sockp, __u32 local_ip, int local_port,
}
rc = kernel_listen(*sockp, backlog);
- if (rc == 0)
+ if (!rc)
return 0;
CERROR("Can't set listen backlog %d: %d\n", backlog, rc);
@@ -548,7 +548,7 @@ lnet_sock_accept(struct socket **newsockp, struct socket *sock)
rc = sock->ops->accept(sock, newsock, O_NONBLOCK);
}
- if (rc != 0)
+ if (rc)
goto failed;
*newsockp = newsock;
@@ -568,7 +568,7 @@ lnet_sock_connect(struct socket **sockp, int *fatal, __u32 local_ip,
int rc;
rc = lnet_sock_create(sockp, fatal, local_ip, local_port);
- if (rc != 0)
+ if (rc)
return rc;
memset(&srvaddr, 0, sizeof(srvaddr));
@@ -578,7 +578,7 @@ lnet_sock_connect(struct socket **sockp, int *fatal, __u32 local_ip,
rc = kernel_connect(*sockp, (struct sockaddr *)&srvaddr,
sizeof(srvaddr), 0);
- if (rc == 0)
+ if (!rc)
return 0;
/*
diff --git a/drivers/staging/lustre/lnet/lnet/module.c b/drivers/staging/lustre/lnet/lnet/module.c
index 1e88033..cd37303 100644
--- a/drivers/staging/lustre/lnet/lnet/module.c
+++ b/drivers/staging/lustre/lnet/lnet/module.c
@@ -80,7 +80,7 @@ lnet_unconfigure(void)
mutex_unlock(&the_lnet.ln_api_mutex);
mutex_unlock(&lnet_config_mutex);
- return (refcount == 0) ? 0 : -EBUSY;
+ return !refcount ? 0 : -EBUSY;
}
static int
@@ -120,13 +120,13 @@ init_lnet(void)
mutex_init(&lnet_config_mutex);
rc = lnet_init();
- if (rc != 0) {
+ if (rc) {
CERROR("lnet_init: error %d\n", rc);
return rc;
}
rc = libcfs_register_ioctl(&lnet_ioctl_handler);
- LASSERT(rc == 0);
+ LASSERT(!rc);
if (config_on_load) {
/*
@@ -145,7 +145,7 @@ fini_lnet(void)
int rc;
rc = libcfs_deregister_ioctl(&lnet_ioctl_handler);
- LASSERT(rc == 0);
+ LASSERT(!rc);
lnet_fini();
}
diff --git a/drivers/staging/lustre/lnet/lnet/nidstrings.c b/drivers/staging/lustre/lnet/lnet/nidstrings.c
index c9c85e5..00010f3 100644
--- a/drivers/staging/lustre/lnet/lnet/nidstrings.c
+++ b/drivers/staging/lustre/lnet/lnet/nidstrings.c
@@ -206,7 +206,7 @@ add_nidrange(const struct cfs_lstr *src,
if (!nf)
return NULL;
endlen = src->ls_len - strlen(nf->nf_name);
- if (endlen == 0)
+ if (!endlen)
/* network name only, e.g. "elan" or "tcp" */
netnum = 0;
else {
@@ -255,17 +255,17 @@ parse_nidrange(struct cfs_lstr *src, struct list_head *nidlist)
struct nidrange *nr;
tmp = *src;
- if (cfs_gettok(src, '@', &addrrange) == 0)
+ if (!cfs_gettok(src, '@', &addrrange))
goto failed;
- if (cfs_gettok(src, '@', &net) == 0 || src->ls_str)
+ if (!cfs_gettok(src, '@', &net) || src->ls_str)
goto failed;
nr = add_nidrange(&net, nidlist);
if (!nr)
goto failed;
- if (parse_addrange(&addrrange, nr) != 0)
+ if (parse_addrange(&addrrange, nr))
goto failed;
return 1;
@@ -344,12 +344,12 @@ cfs_parse_nidlist(char *str, int len, struct list_head *nidlist)
INIT_LIST_HEAD(nidlist);
while (src.ls_str) {
rc = cfs_gettok(&src, ' ', &res);
- if (rc == 0) {
+ if (!rc) {
cfs_free_nidlist(nidlist);
return 0;
}
rc = parse_nidrange(&res, nidlist);
- if (rc == 0) {
+ if (!rc) {
cfs_free_nidlist(nidlist);
return 0;
}
@@ -397,7 +397,7 @@ cfs_print_network(char *buffer, int count, struct nidrange *nr)
{
struct netstrfns *nf = nr->nr_netstrfns;
- if (nr->nr_netnum == 0)
+ if (!nr->nr_netnum)
return scnprintf(buffer, count, "@%s", nf->nf_name);
else
return scnprintf(buffer, count, "@%s%u",
@@ -419,7 +419,7 @@ cfs_print_addrranges(char *buffer, int count, struct list_head *addrranges,
struct netstrfns *nf = nr->nr_netstrfns;
list_for_each_entry(ar, addrranges, ar_link) {
- if (i != 0)
+ if (i)
i += scnprintf(buffer + i, count - i, " ");
i += nf->nf_print_addrlist(buffer + i, count - i,
&ar->ar_numaddr_ranges);
@@ -444,10 +444,10 @@ int cfs_print_nidlist(char *buffer, int count, struct list_head *nidlist)
return 0;
list_for_each_entry(nr, nidlist, nr_link) {
- if (i != 0)
+ if (i)
i += scnprintf(buffer + i, count - i, " ");
- if (nr->nr_all != 0) {
+ if (nr->nr_all) {
LASSERT(list_empty(&nr->nr_addrranges));
i += scnprintf(buffer + i, count - i, "*");
i += cfs_print_network(buffer + i, count - i, nr);
@@ -517,7 +517,7 @@ static void cfs_num_ar_min_max(struct addrrange *ar, __u32 *min_nid,
list_for_each_entry(el, &ar->ar_numaddr_ranges, el_link) {
list_for_each_entry(re, &el->el_exprs, re_link) {
- if (re->re_lo < min_addr || min_addr == 0)
+ if (re->re_lo < min_addr || !min_addr)
min_addr = re->re_lo;
if (re->re_hi > max_addr)
max_addr = re->re_hi;
@@ -553,7 +553,7 @@ bool cfs_nidrange_is_contiguous(struct list_head *nidlist)
if (netnum == -1)
netnum = nr->nr_netnum;
- if (strcmp(lndname, nf->nf_name) != 0 ||
+ if (strcmp(lndname, nf->nf_name) ||
netnum != nr->nr_netnum)
return false;
}
@@ -592,7 +592,7 @@ static bool cfs_num_is_contiguous(struct list_head *nidlist)
list_for_each_entry(ar, &nr->nr_addrranges, ar_link) {
cfs_num_ar_min_max(ar, ¤t_start_nid,
¤t_end_nid);
- if (last_end_nid != 0 &&
+ if (last_end_nid &&
(current_start_nid - last_end_nid != 1))
return false;
last_end_nid = current_end_nid;
@@ -602,7 +602,7 @@ static bool cfs_num_is_contiguous(struct list_head *nidlist)
re_link) {
if (re->re_stride > 1)
return false;
- else if (last_hi != 0 &&
+ else if (last_hi &&
re->re_hi - last_hi != 1)
return false;
last_hi = re->re_hi;
@@ -642,7 +642,7 @@ static bool cfs_ip_is_contiguous(struct list_head *nidlist)
last_diff = 0;
cfs_ip_ar_min_max(ar, ¤t_start_nid,
¤t_end_nid);
- if (last_end_nid != 0 &&
+ if (last_end_nid &&
(current_start_nid - last_end_nid != 1))
return false;
last_end_nid = current_end_nid;
@@ -726,7 +726,7 @@ static void cfs_num_min_max(struct list_head *nidlist, __u32 *min_nid,
list_for_each_entry(ar, &nr->nr_addrranges, ar_link) {
cfs_num_ar_min_max(ar, &tmp_min_addr,
&tmp_max_addr);
- if (tmp_min_addr < min_addr || min_addr == 0)
+ if (tmp_min_addr < min_addr || !min_addr)
min_addr = tmp_min_addr;
if (tmp_max_addr > max_addr)
max_addr = tmp_min_addr;
@@ -758,7 +758,7 @@ static void cfs_ip_min_max(struct list_head *nidlist, __u32 *min_nid,
list_for_each_entry(ar, &nr->nr_addrranges, ar_link) {
cfs_ip_ar_min_max(ar, &tmp_min_ip_addr,
&tmp_max_ip_addr);
- if (tmp_min_ip_addr < min_ip_addr || min_ip_addr == 0)
+ if (tmp_min_ip_addr < min_ip_addr || !min_ip_addr)
min_ip_addr = tmp_min_ip_addr;
if (tmp_max_ip_addr > max_ip_addr)
max_ip_addr = tmp_max_ip_addr;
@@ -806,8 +806,8 @@ libcfs_ip_str2addr(const char *str, int nob, __u32 *addr)
/* numeric IP? */
if (sscanf(str, "%u.%u.%u.%u%n", &a, &b, &c, &d, &n) >= 4 &&
n == nob &&
- (a & ~0xff) == 0 && (b & ~0xff) == 0 &&
- (c & ~0xff) == 0 && (d & ~0xff) == 0) {
+ !(a & ~0xff) && !(b & ~0xff) &&
+ !(c & ~0xff) && !(d & ~0xff)) {
*addr = ((a << 24) | (b << 16) | (c << 8) | d);
return 1;
}
@@ -837,7 +837,7 @@ cfs_ip_addr_parse(char *str, int len, struct list_head *list)
}
rc = cfs_expr_list_parse(res.ls_str, res.ls_len, 0, 255, &el);
- if (rc != 0)
+ if (rc)
goto out;
list_add_tail(&el->el_link, list);
@@ -862,7 +862,7 @@ libcfs_ip_addr_range_print(char *buffer, int count, struct list_head *list)
list_for_each_entry(el, list, el_link) {
LASSERT(j++ < 4);
- if (i != 0)
+ if (i)
i += scnprintf(buffer + i, count - i, ".");
i += cfs_expr_list_print(buffer + i, count - i, el);
}
@@ -932,7 +932,7 @@ libcfs_num_parse(char *str, int len, struct list_head *list)
int rc;
rc = cfs_expr_list_parse(str, len, 0, MAX_NUMERIC_VALUE, &el);
- if (rc == 0)
+ if (!rc)
list_add_tail(&el->el_link, list);
return rc;
@@ -1114,7 +1114,7 @@ libcfs_net2str_r(__u32 net, char *buf, size_t buf_size)
nf = libcfs_lnd2netstrfns(lnd);
if (!nf)
snprintf(buf, buf_size, "<%u:%u>", lnd, nnum);
- else if (nnum == 0)
+ else if (!nnum)
snprintf(buf, buf_size, "%s", nf->nf_name);
else
snprintf(buf, buf_size, "%s%u", nf->nf_name, nnum);
@@ -1146,7 +1146,7 @@ libcfs_nid2str_r(lnet_nid_t nid, char *buf, size_t buf_size)
nf->nf_addr2str(addr, buf, buf_size);
addr_len = strlen(buf);
- if (nnum == 0)
+ if (!nnum)
snprintf(buf + addr_len, buf_size - addr_len, "@%s",
nf->nf_name);
else
@@ -1244,8 +1244,8 @@ libcfs_id2str(lnet_process_id_t id)
}
snprintf(str, LNET_NIDSTR_SIZE, "%s%u-%s",
- ((id.pid & LNET_PID_USERFLAG) != 0) ? "U" : "",
- (id.pid & ~LNET_PID_USERFLAG), libcfs_nid2str(id.nid));
+ id.pid & LNET_PID_USERFLAG ? "U" : "",
+ id.pid & ~LNET_PID_USERFLAG, libcfs_nid2str(id.nid));
return str;
}
EXPORT_SYMBOL(libcfs_id2str);
diff --git a/drivers/staging/lustre/lnet/lnet/peer.c b/drivers/staging/lustre/lnet/lnet/peer.c
index 43b459e..00086ee 100644
--- a/drivers/staging/lustre/lnet/lnet/peer.c
+++ b/drivers/staging/lustre/lnet/lnet/peer.c
@@ -137,10 +137,10 @@ lnet_peer_tables_cleanup(void)
lnet_net_lock(i);
- for (j = 3; ptable->pt_number != 0; j++) {
+ for (j = 3; ptable->pt_number; j++) {
lnet_net_unlock(i);
- if ((j & (j - 1)) == 0) {
+ if (!(j & (j - 1))) {
CDEBUG(D_WARNING,
"Waiting for %d peers on peer table\n",
ptable->pt_number);
@@ -167,11 +167,11 @@ lnet_destroy_peer_locked(lnet_peer_t *lp)
{
struct lnet_peer_table *ptable;
- LASSERT(lp->lp_refcount == 0);
- LASSERT(lp->lp_rtr_refcount == 0);
+ LASSERT(!lp->lp_refcount);
+ LASSERT(!lp->lp_rtr_refcount);
LASSERT(list_empty(&lp->lp_txq));
LASSERT(list_empty(&lp->lp_hashlist));
- LASSERT(lp->lp_txqnob == 0);
+ LASSERT(!lp->lp_txqnob);
ptable = the_lnet.ln_peer_tables[lp->lp_cpt];
LASSERT(ptable->pt_number > 0);
@@ -317,7 +317,7 @@ lnet_debug_peer(lnet_nid_t nid)
lnet_net_lock(cpt);
rc = lnet_nid2peer_locked(&lp, nid, cpt);
- if (rc != 0) {
+ if (rc) {
lnet_net_unlock(cpt);
CDEBUG(D_WARNING, "No peer %s\n", libcfs_nid2str(nid));
return;
diff --git a/drivers/staging/lustre/lnet/lnet/router.c b/drivers/staging/lustre/lnet/lnet/router.c
index c6b747d..735a8f2 100644
--- a/drivers/staging/lustre/lnet/lnet/router.c
+++ b/drivers/staging/lustre/lnet/lnet/router.c
@@ -109,7 +109,7 @@ lnet_notify_locked(lnet_peer_t *lp, int notifylnd, int alive,
lp->lp_timestamp = when; /* update timestamp */
lp->lp_ping_deadline = 0; /* disable ping timeout */
- if (lp->lp_alive_count != 0 && /* got old news */
+ if (lp->lp_alive_count && /* got old news */
(!lp->lp_alive) == (!alive)) { /* new date for old news */
CDEBUG(D_NET, "Old news\n");
return;
@@ -201,7 +201,7 @@ lnet_rtr_decref_locked(lnet_peer_t *lp)
/* lnet_net_lock must be exclusively locked */
lp->lp_rtr_refcount--;
- if (lp->lp_rtr_refcount == 0) {
+ if (!lp->lp_rtr_refcount) {
LASSERT(list_empty(&lp->lp_routes));
if (lp->lp_rcd) {
@@ -283,7 +283,7 @@ lnet_add_route_to_rnet(lnet_remotenet_t *rnet, lnet_route_t *route)
/* len+1 positions to add a new entry, also prevents division by 0 */
offset = cfs_rand() % (len + 1);
list_for_each(e, &rnet->lrn_routes) {
- if (offset == 0)
+ if (!offset)
break;
offset--;
}
@@ -342,7 +342,7 @@ lnet_add_route(__u32 net, unsigned int hops, lnet_nid_t gateway,
lnet_net_lock(LNET_LOCK_EX);
rc = lnet_nid2peer_locked(&route->lr_gateway, gateway, LNET_LOCK_EX);
- if (rc != 0) {
+ if (rc) {
lnet_net_unlock(LNET_LOCK_EX);
LIBCFS_FREE(route, sizeof(*route));
@@ -565,7 +565,7 @@ lnet_get_route(int idx, __u32 *net, __u32 *hops,
list_for_each(e2, &rnet->lrn_routes) {
route = list_entry(e2, lnet_route_t, lr_list);
- if (idx-- == 0) {
+ if (!idx--) {
*net = rnet->lrn_net;
*hops = route->lr_hops;
*priority = route->lr_priority;
@@ -625,13 +625,13 @@ lnet_parse_rc_info(lnet_rc_data_t *rcd)
}
gw->lp_ping_feats = info->pi_features;
- if ((gw->lp_ping_feats & LNET_PING_FEAT_MASK) == 0) {
+ if (!(gw->lp_ping_feats & LNET_PING_FEAT_MASK)) {
CDEBUG(D_NET, "%s: Unexpected features 0x%x\n",
libcfs_nid2str(gw->lp_nid), gw->lp_ping_feats);
return; /* nothing I can understand */
}
- if ((gw->lp_ping_feats & LNET_PING_FEAT_NI_STATUS) == 0)
+ if (!(gw->lp_ping_feats & LNET_PING_FEAT_NI_STATUS))
return; /* can't carry NI status info */
list_for_each_entry(rtr, &gw->lp_routes, lr_gwlist) {
@@ -722,7 +722,7 @@ lnet_router_checker_event(lnet_event_t *event)
if (event->type == LNET_EVENT_SEND) {
lp->lp_ping_notsent = 0;
- if (event->status == 0)
+ if (!event->status)
goto out;
}
@@ -733,7 +733,7 @@ lnet_router_checker_event(lnet_event_t *event)
* we ping alive routers to try to detect router death before
* apps get burned).
*/
- lnet_notify_locked(lp, 1, (event->status == 0), cfs_time_current());
+ lnet_notify_locked(lp, 1, !event->status, cfs_time_current());
/*
* The router checker will wake up very shortly and do the
@@ -741,7 +741,7 @@ lnet_router_checker_event(lnet_event_t *event)
* XXX If 'lp' stops being a router before then, it will still
* have the notification pending!!!
*/
- if (avoid_asym_router_failure && event->status == 0)
+ if (avoid_asym_router_failure && !event->status)
lnet_parse_rc_info(rcd);
out:
@@ -764,7 +764,7 @@ lnet_wait_known_routerstate(void)
list_for_each(entry, &the_lnet.ln_routers) {
rtr = list_entry(entry, lnet_peer_t, lp_rtr_list);
- if (rtr->lp_alive_count == 0) {
+ if (!rtr->lp_alive_count) {
all_known = 0;
break;
}
@@ -785,7 +785,7 @@ lnet_router_ni_update_locked(lnet_peer_t *gw, __u32 net)
{
lnet_route_t *rte;
- if ((gw->lp_ping_feats & LNET_PING_FEAT_NI_STATUS) != 0) {
+ if ((gw->lp_ping_feats & LNET_PING_FEAT_NI_STATUS)) {
list_for_each_entry(rte, &gw->lp_routes, lr_gwlist) {
if (rte->lr_net == net) {
rte->lr_downis = 0;
@@ -898,7 +898,7 @@ lnet_create_rc_data_locked(lnet_peer_t *gateway)
CERROR("Can't bind MD: %d\n", rc);
goto out;
}
- LASSERT(rc == 0);
+ LASSERT(!rc);
lnet_net_lock(gateway->lp_cpt);
/* router table changed or someone has created rcd for this gateway */
@@ -918,7 +918,7 @@ lnet_create_rc_data_locked(lnet_peer_t *gateway)
if (rcd) {
if (!LNetHandleIsInvalid(rcd->rcd_mdh)) {
rc = LNetMDUnlink(rcd->rcd_mdh);
- LASSERT(rc == 0);
+ LASSERT(!rc);
}
lnet_destroy_rc_data(rcd);
}
@@ -949,7 +949,7 @@ lnet_ping_router_locked(lnet_peer_t *rtr)
lnet_peer_addref_locked(rtr);
- if (rtr->lp_ping_deadline != 0 && /* ping timed out? */
+ if (rtr->lp_ping_deadline && /* ping timed out? */
cfs_time_after(now, rtr->lp_ping_deadline))
lnet_notify_locked(rtr, 1, 0, now);
@@ -977,7 +977,7 @@ lnet_ping_router_locked(lnet_peer_t *rtr)
rtr->lp_ping_deadline, rtr->lp_ping_notsent,
rtr->lp_alive, rtr->lp_alive_count, rtr->lp_ping_timestamp);
- if (secs != 0 && !rtr->lp_ping_notsent &&
+ if (secs && !rtr->lp_ping_notsent &&
cfs_time_after(now, cfs_time_add(rtr->lp_ping_timestamp,
cfs_time_seconds(secs)))) {
int rc;
@@ -993,7 +993,7 @@ lnet_ping_router_locked(lnet_peer_t *rtr)
mdh = rcd->rcd_mdh;
- if (rtr->lp_ping_deadline == 0) {
+ if (!rtr->lp_ping_deadline) {
rtr->lp_ping_deadline =
cfs_time_shift(router_ping_timeout);
}
@@ -1004,7 +1004,7 @@ lnet_ping_router_locked(lnet_peer_t *rtr)
LNET_PROTO_PING_MATCHBITS, 0);
lnet_net_lock(rtr->lp_cpt);
- if (rc != 0)
+ if (rc)
rtr->lp_ping_notsent = 0; /* no event pending */
}
@@ -1038,7 +1038,7 @@ lnet_router_checker_start(void)
eqsz = 0;
rc = LNetEQAlloc(eqsz, lnet_router_checker_event,
&the_lnet.ln_rc_eqh);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't allocate EQ(%d): %d\n", eqsz, rc);
return -ENOMEM;
}
@@ -1051,7 +1051,7 @@ lnet_router_checker_start(void)
/* block until event callback signals exit */
down(&the_lnet.ln_rc_signal);
rc = LNetEQFree(the_lnet.ln_rc_eqh);
- LASSERT(rc == 0);
+ LASSERT(!rc);
the_lnet.ln_rc_state = LNET_RC_STATE_SHUTDOWN;
return -ENOMEM;
}
@@ -1084,7 +1084,7 @@ lnet_router_checker_stop(void)
LASSERT(the_lnet.ln_rc_state == LNET_RC_STATE_SHUTDOWN);
rc = LNetEQFree(the_lnet.ln_rc_eqh);
- LASSERT(rc == 0);
+ LASSERT(!rc);
}
static void
@@ -1288,7 +1288,7 @@ lnet_rtrpool_free_bufs(lnet_rtrbufpool_t *rbp)
int nbuffers = 0;
lnet_rtrbuf_t *rb;
- if (rbp->rbp_nbuffers == 0) /* not initialized or already freed */
+ if (!rbp->rbp_nbuffers) /* not initialized or already freed */
return;
LASSERT(list_empty(&rbp->rbp_msgs));
@@ -1317,7 +1317,7 @@ lnet_rtrpool_alloc_bufs(lnet_rtrbufpool_t *rbp, int nbufs, int cpt)
lnet_rtrbuf_t *rb;
int i;
- if (rbp->rbp_nbuffers != 0) {
+ if (rbp->rbp_nbuffers) {
LASSERT(rbp->rbp_nbuffers == nbufs);
return 0;
}
@@ -1484,17 +1484,17 @@ lnet_rtrpools_alloc(int im_a_router)
cfs_percpt_for_each(rtrp, i, the_lnet.ln_rtrpools) {
lnet_rtrpool_init(&rtrp[0], 0);
rc = lnet_rtrpool_alloc_bufs(&rtrp[0], nrb_tiny, i);
- if (rc != 0)
+ if (rc)
goto failed;
lnet_rtrpool_init(&rtrp[1], small_pages);
rc = lnet_rtrpool_alloc_bufs(&rtrp[1], nrb_small, i);
- if (rc != 0)
+ if (rc)
goto failed;
lnet_rtrpool_init(&rtrp[2], large_pages);
rc = lnet_rtrpool_alloc_bufs(&rtrp[2], nrb_large, i);
- if (rc != 0)
+ if (rc)
goto failed;
}
diff --git a/drivers/staging/lustre/lnet/lnet/router_proc.c b/drivers/staging/lustre/lnet/lnet/router_proc.c
index 230fc15..a7aaf0c 100644
--- a/drivers/staging/lustre/lnet/lnet/router_proc.c
+++ b/drivers/staging/lustre/lnet/lnet/router_proc.c
@@ -170,7 +170,7 @@ static int proc_lnet_routes(struct ctl_table *table, int write,
LASSERT(!write);
- if (*lenp == 0)
+ if (!*lenp)
return 0;
LIBCFS_ALLOC(tmpstr, tmpsiz);
@@ -179,7 +179,7 @@ static int proc_lnet_routes(struct ctl_table *table, int write,
s = tmpstr; /* points to current position in tmpstr[] */
- if (*ppos == 0) {
+ if (!*ppos) {
s += snprintf(s, tmpstr + tmpsiz - s, "Routing %s\n",
the_lnet.ln_routing ? "enabled" : "disabled");
LASSERT(tmpstr + tmpsiz - s > 0);
@@ -224,7 +224,7 @@ static int proc_lnet_routes(struct ctl_table *table, int write,
lnet_route_t *re =
list_entry(r, lnet_route_t,
lr_list);
- if (skip == 0) {
+ if (!skip) {
route = re;
break;
}
@@ -271,7 +271,7 @@ static int proc_lnet_routes(struct ctl_table *table, int write,
LIBCFS_FREE(tmpstr, tmpsiz);
- if (rc == 0)
+ if (!rc)
*lenp = len;
return rc;
@@ -293,7 +293,7 @@ static int proc_lnet_routers(struct ctl_table *table, int write,
LASSERT(!write);
- if (*lenp == 0)
+ if (!*lenp)
return 0;
LIBCFS_ALLOC(tmpstr, tmpsiz);
@@ -302,7 +302,7 @@ static int proc_lnet_routers(struct ctl_table *table, int write,
s = tmpstr; /* points to current position in tmpstr[] */
- if (*ppos == 0) {
+ if (!*ppos) {
s += snprintf(s, tmpstr + tmpsiz - s,
"%-4s %7s %9s %6s %12s %9s %8s %7s %s\n",
"ref", "rtr_ref", "alive_cnt", "state",
@@ -334,7 +334,7 @@ static int proc_lnet_routers(struct ctl_table *table, int write,
lnet_peer_t *lp = list_entry(r, lnet_peer_t,
lp_rtr_list);
- if (skip == 0) {
+ if (!skip) {
peer = lp;
break;
}
@@ -358,21 +358,21 @@ static int proc_lnet_routers(struct ctl_table *table, int write,
lnet_route_t *rtr;
if ((peer->lp_ping_feats &
- LNET_PING_FEAT_NI_STATUS) != 0) {
+ LNET_PING_FEAT_NI_STATUS)) {
list_for_each_entry(rtr, &peer->lp_routes,
lr_gwlist) {
/*
* downis on any route should be the
* number of downis on the gateway
*/
- if (rtr->lr_downis != 0) {
+ if (rtr->lr_downis) {
down_ni = rtr->lr_downis;
break;
}
}
}
- if (deadline == 0)
+ if (!deadline)
s += snprintf(s, tmpstr + tmpsiz - s,
"%-4d %7d %9d %6s %12d %9d %8s %7d %s\n",
nrefs, nrtrrefs, alive_cnt,
@@ -408,7 +408,7 @@ static int proc_lnet_routers(struct ctl_table *table, int write,
LIBCFS_FREE(tmpstr, tmpsiz);
- if (rc == 0)
+ if (!rc)
*lenp = len;
return rc;
@@ -431,7 +431,7 @@ static int proc_lnet_peers(struct ctl_table *table, int write,
CLASSERT(LNET_PROC_HASH_BITS >= LNET_PEER_HASH_BITS);
LASSERT(!write);
- if (*lenp == 0)
+ if (!*lenp)
return 0;
if (cpt >= LNET_CPT_NUMBER) {
@@ -445,7 +445,7 @@ static int proc_lnet_peers(struct ctl_table *table, int write,
s = tmpstr; /* points to current position in tmpstr[] */
- if (*ppos == 0) {
+ if (!*ppos) {
s += snprintf(s, tmpstr + tmpsiz - s,
"%-24s %4s %5s %5s %5s %5s %5s %5s %5s %s\n",
"nid", "refs", "state", "last", "max",
@@ -480,7 +480,7 @@ static int proc_lnet_peers(struct ctl_table *table, int write,
while (p != &ptable->pt_hash[hash]) {
lnet_peer_t *lp = list_entry(p, lnet_peer_t,
lp_hashlist);
- if (skip == 0) {
+ if (!skip) {
peer = lp;
/*
@@ -577,7 +577,7 @@ static int proc_lnet_peers(struct ctl_table *table, int write,
LIBCFS_FREE(tmpstr, tmpsiz);
- if (rc == 0)
+ if (!rc)
*lenp = len;
return rc;
@@ -659,7 +659,7 @@ static int proc_lnet_nis(struct ctl_table *table, int write,
LASSERT(!write);
- if (*lenp == 0)
+ if (!*lenp)
return 0;
LIBCFS_ALLOC(tmpstr, tmpsiz);
@@ -668,7 +668,7 @@ static int proc_lnet_nis(struct ctl_table *table, int write,
s = tmpstr; /* points to current position in tmpstr[] */
- if (*ppos == 0) {
+ if (!*ppos) {
s += snprintf(s, tmpstr + tmpsiz - s,
"%-24s %6s %5s %4s %4s %4s %5s %5s %5s\n",
"nid", "status", "alive", "refs", "peer",
@@ -686,7 +686,7 @@ static int proc_lnet_nis(struct ctl_table *table, int write,
while (n != &the_lnet.ln_nis) {
lnet_ni_t *a_ni = list_entry(n, lnet_ni_t, ni_list);
- if (skip == 0) {
+ if (!skip) {
ni = a_ni;
break;
}
@@ -730,7 +730,7 @@ static int proc_lnet_nis(struct ctl_table *table, int write,
if (j == ni->ni_ncpts)
continue;
- if (i != 0)
+ if (i)
lnet_net_lock(i);
s += snprintf(s, tmpstr + tmpsiz - s,
@@ -742,7 +742,7 @@ static int proc_lnet_nis(struct ctl_table *table, int write,
tq->tq_credits_max,
tq->tq_credits,
tq->tq_credits_min);
- if (i != 0)
+ if (i)
lnet_net_unlock(i);
}
LASSERT(tmpstr + tmpsiz - s > 0);
@@ -764,7 +764,7 @@ static int proc_lnet_nis(struct ctl_table *table, int write,
LIBCFS_FREE(tmpstr, tmpsiz);
- if (rc == 0)
+ if (!rc)
*lenp = len;
return rc;
@@ -854,8 +854,8 @@ static int __proc_lnet_portal_rotor(void *data, int write,
rc = -EINVAL;
lnet_res_lock(0);
for (i = 0; portal_rotors[i].pr_name; i++) {
- if (strncasecmp(portal_rotors[i].pr_name, tmp,
- strlen(portal_rotors[i].pr_name)) == 0) {
+ if (!strncasecmp(portal_rotors[i].pr_name, tmp,
+ strlen(portal_rotors[i].pr_name))) {
portal_rotor = portal_rotors[i].pr_value;
rc = 0;
break;
diff --git a/drivers/staging/lustre/lnet/selftest/brw_test.c b/drivers/staging/lustre/lnet/selftest/brw_test.c
index 38aed80..b71f4b4 100644
--- a/drivers/staging/lustre/lnet/selftest/brw_test.c
+++ b/drivers/staging/lustre/lnet/selftest/brw_test.c
@@ -80,7 +80,7 @@ brw_client_init(sfw_test_instance_t *tsi)
LASSERT(sn);
LASSERT(tsi->tsi_is_client);
- if ((sn->sn_features & LST_FEAT_BULK_LEN) == 0) {
+ if (!(sn->sn_features & LST_FEAT_BULK_LEN)) {
test_bulk_req_t *breq = &tsi->tsi_u.bulk_v0;
opc = breq->blk_opc;
@@ -99,7 +99,7 @@ brw_client_init(sfw_test_instance_t *tsi)
* I should never get this step if it's unknown feature
* because make_session will reject unknown feature
*/
- LASSERT((sn->sn_features & ~LST_FEATS_MASK) == 0);
+ LASSERT(!(sn->sn_features & ~LST_FEATS_MASK));
opc = breq->blk_opc;
flags = breq->blk_flags;
@@ -145,7 +145,7 @@ brw_inject_one_error(void)
ktime_get_ts64(&ts);
- if (((ts.tv_nsec / NSEC_PER_USEC) & 1) == 0)
+ if (!((ts.tv_nsec / NSEC_PER_USEC) & 1))
return 0;
return brw_inject_errors--;
@@ -244,7 +244,7 @@ brw_check_bulk(srpc_bulk_t *bk, int pattern, __u64 magic)
for (i = 0; i < bk->bk_niov; i++) {
pg = bk->bk_iovs[i].kiov_page;
- if (brw_check_page(pg, pattern, magic) != 0) {
+ if (brw_check_page(pg, pattern, magic)) {
CERROR("Bulk page %p (%d/%d) is corrupted!\n",
pg, i, bk->bk_niov);
return 1;
@@ -272,7 +272,7 @@ brw_client_prep_rpc(sfw_test_unit_t *tsu,
LASSERT(sn);
LASSERT(bulk);
- if ((sn->sn_features & LST_FEAT_BULK_LEN) == 0) {
+ if (!(sn->sn_features & LST_FEAT_BULK_LEN)) {
test_bulk_req_t *breq = &tsi->tsi_u.bulk_v0;
opc = breq->blk_opc;
@@ -287,7 +287,7 @@ brw_client_prep_rpc(sfw_test_unit_t *tsu,
* I should never get this step if it's unknown feature
* because make_session will reject unknown feature
*/
- LASSERT((sn->sn_features & ~LST_FEATS_MASK) == 0);
+ LASSERT(!(sn->sn_features & ~LST_FEATS_MASK));
opc = breq->blk_opc;
flags = breq->blk_flags;
@@ -296,7 +296,7 @@ brw_client_prep_rpc(sfw_test_unit_t *tsu,
}
rc = sfw_create_test_rpc(tsu, dest, sn->sn_features, npg, len, &rpc);
- if (rc != 0)
+ if (rc)
return rc;
memcpy(&rpc->crpc_bulk, bulk, offsetof(srpc_bulk_t, bk_iovs[npg]));
@@ -326,7 +326,7 @@ brw_client_done_rpc(sfw_test_unit_t *tsu, srpc_client_rpc_t *rpc)
LASSERT(sn);
- if (rpc->crpc_status != 0) {
+ if (rpc->crpc_status) {
CERROR("BRW RPC to %s failed with %d\n",
libcfs_id2str(rpc->crpc_dest), rpc->crpc_status);
if (!tsi->tsi_stopping) /* rpc could have been aborted */
@@ -343,7 +343,7 @@ brw_client_done_rpc(sfw_test_unit_t *tsu, srpc_client_rpc_t *rpc)
"BRW RPC to %s finished with brw_status: %d\n",
libcfs_id2str(rpc->crpc_dest), reply->brw_status);
- if (reply->brw_status != 0) {
+ if (reply->brw_status) {
atomic_inc(&sn->sn_brw_errors);
rpc->crpc_status = -(int)reply->brw_status;
goto out;
@@ -352,7 +352,7 @@ brw_client_done_rpc(sfw_test_unit_t *tsu, srpc_client_rpc_t *rpc)
if (reqst->brw_rw == LST_BRW_WRITE)
goto out;
- if (brw_check_bulk(&rpc->crpc_bulk, reqst->brw_flags, magic) != 0) {
+ if (brw_check_bulk(&rpc->crpc_bulk, reqst->brw_flags, magic)) {
CERROR("Bulk data from %s is corrupted!\n",
libcfs_id2str(rpc->crpc_dest));
atomic_inc(&sn->sn_brw_errors);
@@ -371,7 +371,7 @@ brw_server_rpc_done(struct srpc_server_rpc *rpc)
if (!blk)
return;
- if (rpc->srpc_status != 0)
+ if (rpc->srpc_status)
CERROR("Bulk transfer %s %s has failed: %d\n",
blk->bk_sink ? "from" : "to",
libcfs_id2str(rpc->srpc_peer), rpc->srpc_status);
@@ -397,7 +397,7 @@ brw_bulk_ready(struct srpc_server_rpc *rpc, int status)
reqstmsg = &rpc->srpc_reqstbuf->buf_msg;
reqst = &reqstmsg->msg_body.brw_reqst;
- if (status != 0) {
+ if (status) {
CERROR("BRW bulk %s failed for RPC from %s: %d\n",
reqst->brw_rw == LST_BRW_READ ? "READ" : "WRITE",
libcfs_id2str(rpc->srpc_peer), status);
@@ -410,7 +410,7 @@ brw_bulk_ready(struct srpc_server_rpc *rpc, int status)
if (reqstmsg->msg_magic != SRPC_MSG_MAGIC)
__swab64s(&magic);
- if (brw_check_bulk(rpc->srpc_bulk, reqst->brw_flags, magic) != 0) {
+ if (brw_check_bulk(rpc->srpc_bulk, reqst->brw_flags, magic)) {
CERROR("Bulk data from %s is corrupted!\n",
libcfs_id2str(rpc->srpc_peer));
reply->brw_status = EBADMSG;
@@ -454,15 +454,15 @@ brw_server_handle(struct srpc_server_rpc *rpc)
return 0;
}
- if ((reqstmsg->msg_ses_feats & ~LST_FEATS_MASK) != 0) {
+ if (reqstmsg->msg_ses_feats & ~LST_FEATS_MASK) {
replymsg->msg_ses_feats = LST_FEATS_MASK;
reply->brw_status = EPROTO;
return 0;
}
- if ((reqstmsg->msg_ses_feats & LST_FEAT_BULK_LEN) == 0) {
+ if (!(reqstmsg->msg_ses_feats & LST_FEAT_BULK_LEN)) {
/* compat with old version */
- if ((reqst->brw_len & ~CFS_PAGE_MASK) != 0) {
+ if (reqst->brw_len & ~CFS_PAGE_MASK) {
reply->brw_status = EINVAL;
return 0;
}
@@ -474,7 +474,7 @@ brw_server_handle(struct srpc_server_rpc *rpc)
replymsg->msg_ses_feats = reqstmsg->msg_ses_feats;
- if (reqst->brw_len == 0 || npg > LNET_MAX_IOV) {
+ if (!reqst->brw_len || npg > LNET_MAX_IOV) {
reply->brw_status = EINVAL;
return 0;
}
@@ -482,7 +482,7 @@ brw_server_handle(struct srpc_server_rpc *rpc)
rc = sfw_alloc_pages(rpc, rpc->srpc_scd->scd_cpt, npg,
reqst->brw_len,
reqst->brw_rw == LST_BRW_WRITE);
- if (rc != 0)
+ if (rc)
return rc;
if (reqst->brw_rw == LST_BRW_READ)
diff --git a/drivers/staging/lustre/lnet/selftest/conctl.c b/drivers/staging/lustre/lnet/selftest/conctl.c
index 8b9717c..210e24e 100644
--- a/drivers/staging/lustre/lnet/selftest/conctl.c
+++ b/drivers/staging/lustre/lnet/selftest/conctl.c
@@ -52,7 +52,7 @@ lst_session_new_ioctl(lstio_session_new_args_t *args)
int rc;
if (!args->lstio_ses_idp || /* address for output sid */
- args->lstio_ses_key == 0 || /* no key is specified */
+ !args->lstio_ses_key || /* no key is specified */
!args->lstio_ses_namep || /* session name */
args->lstio_ses_nmlen <= 0 ||
args->lstio_ses_nmlen > LST_NAME_SIZE)
@@ -354,7 +354,7 @@ lst_nodes_add_ioctl(lstio_group_nodes_args_t *args)
args->lstio_grp_resultp);
LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
- if (rc == 0 &&
+ if (!rc &&
copy_to_user(args->lstio_grp_featp, &feats, sizeof(feats))) {
return -EINVAL;
}
@@ -431,7 +431,7 @@ lst_group_info_ioctl(lstio_group_info_args_t *args)
LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
- if (rc != 0)
+ if (rc)
return rc;
if (args->lstio_grp_dentsp &&
@@ -655,7 +655,7 @@ lst_batch_info_ioctl(lstio_batch_info_args_t *args)
LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
- if (rc != 0)
+ if (rc)
return rc;
if (args->lstio_bat_dentsp &&
@@ -733,7 +733,7 @@ static int lst_test_add_ioctl(lstio_test_args_t *args)
args->lstio_tes_dgrp_nmlen > LST_NAME_SIZE)
return -EINVAL;
- if (args->lstio_tes_loop == 0 || /* negative is infinite */
+ if (!args->lstio_tes_loop || /* negative is infinite */
args->lstio_tes_concur <= 0 ||
args->lstio_tes_dist <= 0 ||
args->lstio_tes_span <= 0)
@@ -781,7 +781,7 @@ static int lst_test_add_ioctl(lstio_test_args_t *args)
args->lstio_tes_param_len,
&ret, args->lstio_tes_resultp);
- if (ret != 0)
+ if (ret)
rc = (copy_to_user(args->lstio_tes_retp, &ret,
sizeof(ret))) ? -EFAULT : 0;
out:
diff --git a/drivers/staging/lustre/lnet/selftest/conrpc.c b/drivers/staging/lustre/lnet/selftest/conrpc.c
index 5315a37..b02a140 100644
--- a/drivers/staging/lustre/lnet/selftest/conrpc.c
+++ b/drivers/staging/lustre/lnet/selftest/conrpc.c
@@ -74,9 +74,9 @@ lstcon_rpc_done(srpc_client_rpc_t *rpc)
/* not an orphan RPC */
crpc->crp_finished = 1;
- if (crpc->crp_stamp == 0) {
+ if (!crpc->crp_stamp) {
/* not aborted */
- LASSERT(crpc->crp_status == 0);
+ LASSERT(!crpc->crp_status);
crpc->crp_stamp = cfs_time_current();
crpc->crp_status = rpc->crpc_status;
@@ -138,7 +138,7 @@ lstcon_rpc_prep(lstcon_node_t *nd, int service, unsigned feats,
}
rc = lstcon_rpc_init(nd, service, feats, bulk_npg, bulk_len, 0, crpc);
- if (rc == 0) {
+ if (!rc) {
*crpcpp = crpc;
return 0;
}
@@ -298,8 +298,8 @@ lstcon_rpc_trans_abort(lstcon_rpc_trans_t *trans, int error)
spin_lock(&rpc->crpc_lock);
if (!crpc->crp_posted || /* not posted */
- crpc->crp_stamp != 0) { /* rpc done or aborted already */
- if (crpc->crp_stamp == 0) {
+ crpc->crp_stamp) { /* rpc done or aborted already */
+ if (!crpc->crp_stamp) {
crpc->crp_stamp = cfs_time_current();
crpc->crp_status = -EINTR;
}
@@ -333,7 +333,7 @@ lstcon_rpc_trans_check(lstcon_rpc_trans_t *trans)
!list_empty(&trans->tas_olink)) /* Not an end session RPC */
return 1;
- return (atomic_read(&trans->tas_remaining) == 0) ? 1 : 0;
+ return !atomic_read(&trans->tas_remaining) ? 1 : 0;
}
int
@@ -370,7 +370,7 @@ lstcon_rpc_trans_postwait(lstcon_rpc_trans_t *trans, int timeout)
if (console_session.ses_shutdown)
rc = -ESHUTDOWN;
- if (rc != 0 || atomic_read(&trans->tas_remaining) != 0) {
+ if (rc || atomic_read(&trans->tas_remaining)) {
/* treat short timeout as canceled */
if (rc == -ETIMEDOUT && timeout < LST_TRANS_MIN_TIMEOUT * 2)
rc = -EINTR;
@@ -394,9 +394,9 @@ lstcon_rpc_get_reply(lstcon_rpc_t *crpc, srpc_msg_t **msgpp)
srpc_generic_reply_t *rep;
LASSERT(nd && rpc);
- LASSERT(crpc->crp_stamp != 0);
+ LASSERT(crpc->crp_stamp);
- if (crpc->crp_status != 0) {
+ if (crpc->crp_status) {
*msgpp = NULL;
return crpc->crp_status;
}
@@ -437,12 +437,12 @@ lstcon_rpc_trans_stat(lstcon_rpc_trans_t *trans, lstcon_trans_stat_t *stat)
list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) {
lstcon_rpc_stat_total(stat, 1);
- LASSERT(crpc->crp_stamp != 0);
+ LASSERT(crpc->crp_stamp);
error = lstcon_rpc_get_reply(crpc, &rep);
- if (error != 0) {
+ if (error) {
lstcon_rpc_stat_failure(stat, 1);
- if (stat->trs_rpc_errno == 0)
+ if (!stat->trs_rpc_errno)
stat->trs_rpc_errno = -error;
continue;
@@ -453,7 +453,7 @@ lstcon_rpc_trans_stat(lstcon_rpc_trans_t *trans, lstcon_trans_stat_t *stat)
lstcon_rpc_stat_reply(trans, rep, crpc->crp_node, stat);
}
- if (trans->tas_opc == LST_TRANS_SESNEW && stat->trs_fwk_errno == 0) {
+ if (trans->tas_opc == LST_TRANS_SESNEW && !stat->trs_fwk_errno) {
stat->trs_fwk_errno =
lstcon_session_feats_check(trans->tas_features);
}
@@ -500,7 +500,7 @@ lstcon_rpc_trans_interpreter(lstcon_rpc_trans_t *trans,
ent = list_entry(next, lstcon_rpc_ent_t, rpe_link);
- LASSERT(crpc->crp_stamp != 0);
+ LASSERT(crpc->crp_stamp);
error = lstcon_rpc_get_reply(crpc, &msg);
@@ -519,7 +519,7 @@ lstcon_rpc_trans_interpreter(lstcon_rpc_trans_t *trans,
sizeof(error)))
return -EFAULT;
- if (error != 0)
+ if (error)
continue;
/* RPC is done */
@@ -535,7 +535,7 @@ lstcon_rpc_trans_interpreter(lstcon_rpc_trans_t *trans,
error = readent(trans->tas_opc, msg, ent);
- if (error != 0)
+ if (error)
return error;
}
@@ -572,7 +572,7 @@ lstcon_rpc_trans_destroy(lstcon_rpc_trans_t *trans)
* user wait for them, just abandon them, they will be recycled
* in callback
*/
- LASSERT(crpc->crp_status != 0);
+ LASSERT(crpc->crp_status);
crpc->crp_node = NULL;
crpc->crp_trans = NULL;
@@ -584,7 +584,7 @@ lstcon_rpc_trans_destroy(lstcon_rpc_trans_t *trans)
atomic_dec(&trans->tas_remaining);
}
- LASSERT(atomic_read(&trans->tas_remaining) == 0);
+ LASSERT(!atomic_read(&trans->tas_remaining));
list_del(&trans->tas_link);
if (!list_empty(&trans->tas_olink))
@@ -610,7 +610,7 @@ lstcon_sesrpc_prep(lstcon_node_t *nd, int transop,
case LST_TRANS_SESNEW:
rc = lstcon_rpc_prep(nd, SRPC_SERVICE_MAKE_SESSION,
feats, 0, 0, crpc);
- if (rc != 0)
+ if (rc)
return rc;
msrq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.mksn_reqst;
@@ -623,7 +623,7 @@ lstcon_sesrpc_prep(lstcon_node_t *nd, int transop,
case LST_TRANS_SESEND:
rc = lstcon_rpc_prep(nd, SRPC_SERVICE_REMOVE_SESSION,
feats, 0, 0, crpc);
- if (rc != 0)
+ if (rc)
return rc;
rsrq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.rmsn_reqst;
@@ -644,7 +644,7 @@ lstcon_dbgrpc_prep(lstcon_node_t *nd, unsigned feats, lstcon_rpc_t **crpc)
int rc;
rc = lstcon_rpc_prep(nd, SRPC_SERVICE_DEBUG, feats, 0, 0, crpc);
- if (rc != 0)
+ if (rc)
return rc;
drq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.dbg_reqst;
@@ -664,7 +664,7 @@ lstcon_batrpc_prep(lstcon_node_t *nd, int transop, unsigned feats,
int rc;
rc = lstcon_rpc_prep(nd, SRPC_SERVICE_BATCH, feats, 0, 0, crpc);
- if (rc != 0)
+ if (rc)
return rc;
brq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.bat_reqst;
@@ -680,7 +680,7 @@ lstcon_batrpc_prep(lstcon_node_t *nd, int transop, unsigned feats,
transop != LST_TRANS_TSBSTOP)
return 0;
- LASSERT(tsb->tsb_index == 0);
+ LASSERT(!tsb->tsb_index);
batch = (lstcon_batch_t *)tsb;
brq->bar_arg = batch->bat_arg;
@@ -695,7 +695,7 @@ lstcon_statrpc_prep(lstcon_node_t *nd, unsigned feats, lstcon_rpc_t **crpc)
int rc;
rc = lstcon_rpc_prep(nd, SRPC_SERVICE_QUERY_STAT, feats, 0, 0, crpc);
- if (rc != 0)
+ if (rc)
return rc;
srq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.stat_reqst;
@@ -827,13 +827,13 @@ lstcon_testrpc_prep(lstcon_node_t *nd, int transop, unsigned feats,
if (transop == LST_TRANS_TSBCLIADD) {
npg = sfw_id_pages(test->tes_span);
- nob = (feats & LST_FEAT_BULK_LEN) == 0 ?
+ nob = !(feats & LST_FEAT_BULK_LEN) ?
npg * PAGE_CACHE_SIZE :
sizeof(lnet_process_id_packed_t) * test->tes_span;
}
rc = lstcon_rpc_prep(nd, SRPC_SERVICE_TEST, feats, npg, nob, crpc);
- if (rc != 0)
+ if (rc)
return rc;
trq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.tes_reqst;
@@ -856,7 +856,7 @@ lstcon_testrpc_prep(lstcon_node_t *nd, int transop, unsigned feats,
LASSERT(nob > 0);
- len = (feats & LST_FEAT_BULK_LEN) == 0 ?
+ len = !(feats & LST_FEAT_BULK_LEN) ?
PAGE_CACHE_SIZE :
min_t(int, nob, PAGE_CACHE_SIZE);
nob -= len;
@@ -881,7 +881,7 @@ lstcon_testrpc_prep(lstcon_node_t *nd, int transop, unsigned feats,
test->tes_dist,
test->tes_span,
npg, &bulk->bk_iovs[0]);
- if (rc != 0) {
+ if (rc) {
lstcon_rpc_put(*crpc);
return rc;
}
@@ -905,7 +905,7 @@ lstcon_testrpc_prep(lstcon_node_t *nd, int transop, unsigned feats,
case LST_TEST_BULK:
trq->tsr_service = SRPC_SERVICE_BRW;
- if ((feats & LST_FEAT_BULK_LEN) == 0) {
+ if (!(feats & LST_FEAT_BULK_LEN)) {
rc = lstcon_bulkrpc_v0_prep((lst_test_bulk_param_t *)
&test->tes_param[0], trq);
} else {
@@ -929,8 +929,8 @@ lstcon_sesnew_stat_reply(lstcon_rpc_trans_t *trans,
srpc_mksn_reply_t *mksn_rep = &reply->msg_body.mksn_reply;
int status = mksn_rep->mksn_status;
- if (status == 0 &&
- (reply->msg_ses_feats & ~LST_FEATS_MASK) != 0) {
+ if (!status &&
+ (reply->msg_ses_feats & ~LST_FEATS_MASK)) {
mksn_rep->mksn_status = EPROTO;
status = EPROTO;
}
@@ -941,7 +941,7 @@ lstcon_sesnew_stat_reply(lstcon_rpc_trans_t *trans,
reply->msg_ses_feats);
}
- if (status != 0)
+ if (status)
return status;
if (!trans->tas_feats_updated) {
@@ -957,7 +957,7 @@ lstcon_sesnew_stat_reply(lstcon_rpc_trans_t *trans,
status = EPROTO;
}
- if (status == 0) {
+ if (!status) {
/* session timeout on remote node */
nd->nd_timeout = mksn_rep->mksn_timeout;
}
@@ -979,7 +979,7 @@ lstcon_rpc_stat_reply(lstcon_rpc_trans_t *trans, srpc_msg_t *msg,
switch (trans->tas_opc) {
case LST_TRANS_SESNEW:
rc = lstcon_sesnew_stat_reply(trans, nd, msg);
- if (rc == 0) {
+ if (!rc) {
lstcon_sesop_stat_success(stat, 1);
return;
}
@@ -990,7 +990,7 @@ lstcon_rpc_stat_reply(lstcon_rpc_trans_t *trans, srpc_msg_t *msg,
case LST_TRANS_SESEND:
rmsn_rep = &msg->msg_body.rmsn_reply;
/* ESRCH is not an error for end session */
- if (rmsn_rep->rmsn_status == 0 ||
+ if (!rmsn_rep->rmsn_status ||
rmsn_rep->rmsn_status == ESRCH) {
lstcon_sesop_stat_success(stat, 1);
return;
@@ -1019,7 +1019,7 @@ lstcon_rpc_stat_reply(lstcon_rpc_trans_t *trans, srpc_msg_t *msg,
case LST_TRANS_TSBSTOP:
bat_rep = &msg->msg_body.bat_reply;
- if (bat_rep->bar_status == 0) {
+ if (!bat_rep->bar_status) {
lstcon_tsbop_stat_success(stat, 1);
return;
}
@@ -1038,12 +1038,12 @@ lstcon_rpc_stat_reply(lstcon_rpc_trans_t *trans, srpc_msg_t *msg,
case LST_TRANS_TSBSRVQRY:
bat_rep = &msg->msg_body.bat_reply;
- if (bat_rep->bar_active != 0)
+ if (bat_rep->bar_active)
lstcon_tsbqry_stat_run(stat, 1);
else
lstcon_tsbqry_stat_idle(stat, 1);
- if (bat_rep->bar_status == 0)
+ if (!bat_rep->bar_status)
return;
lstcon_tsbqry_stat_failure(stat, 1);
@@ -1054,7 +1054,7 @@ lstcon_rpc_stat_reply(lstcon_rpc_trans_t *trans, srpc_msg_t *msg,
case LST_TRANS_TSBSRVADD:
test_rep = &msg->msg_body.tes_reply;
- if (test_rep->tsr_status == 0) {
+ if (!test_rep->tsr_status) {
lstcon_tsbop_stat_success(stat, 1);
return;
}
@@ -1066,7 +1066,7 @@ lstcon_rpc_stat_reply(lstcon_rpc_trans_t *trans, srpc_msg_t *msg,
case LST_TRANS_STATQRY:
stat_rep = &msg->msg_body.stat_reply;
- if (stat_rep->str_status == 0) {
+ if (!stat_rep->str_status) {
lstcon_statqry_stat_success(stat, 1);
return;
}
@@ -1079,7 +1079,7 @@ lstcon_rpc_stat_reply(lstcon_rpc_trans_t *trans, srpc_msg_t *msg,
LBUG();
}
- if (stat->trs_fwk_errno == 0)
+ if (!stat->trs_fwk_errno)
stat->trs_fwk_errno = rc;
return;
@@ -1101,7 +1101,7 @@ lstcon_rpc_trans_ndlist(struct list_head *ndlist,
/* Creating session RPG for list of nodes */
rc = lstcon_rpc_trans_prep(translist, transop, &trans);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create transaction %d: %d\n", transop, rc);
return rc;
}
@@ -1111,7 +1111,7 @@ lstcon_rpc_trans_ndlist(struct list_head *ndlist,
rc = !condition ? 1 :
condition(transop, ndl->ndl_node, arg);
- if (rc == 0)
+ if (!rc)
continue;
if (rc < 0) {
@@ -1151,7 +1151,7 @@ lstcon_rpc_trans_ndlist(struct list_head *ndlist,
break;
}
- if (rc != 0) {
+ if (rc) {
CERROR("Failed to create RPC for transaction %s: %d\n",
lstcon_rpc_trans_name(transop), rc);
break;
@@ -1160,7 +1160,7 @@ lstcon_rpc_trans_ndlist(struct list_head *ndlist,
lstcon_rpc_trans_addreq(trans, rpc);
}
- if (rc == 0) {
+ if (!rc) {
*transpp = trans;
return 0;
}
@@ -1213,7 +1213,7 @@ lstcon_rpc_pinger(void *arg)
rc = lstcon_sesrpc_prep(nd, LST_TRANS_SESEND,
trans->tas_features, &crpc);
- if (rc != 0) {
+ if (rc) {
CERROR("Out of memory\n");
break;
}
@@ -1258,7 +1258,7 @@ lstcon_rpc_pinger(void *arg)
rc = lstcon_rpc_init(nd, SRPC_SERVICE_DEBUG,
trans->tas_features, 0, 0, 1, crpc);
- if (rc != 0) {
+ if (rc) {
CERROR("Out of memory\n");
break;
}
@@ -1294,11 +1294,11 @@ lstcon_rpc_pinger_start(void)
int rc;
LASSERT(list_empty(&console_session.ses_rpc_freelist));
- LASSERT(atomic_read(&console_session.ses_rpc_counter) == 0);
+ LASSERT(!atomic_read(&console_session.ses_rpc_counter));
rc = lstcon_rpc_trans_prep(NULL, LST_TRANS_SESPING,
&console_session.ses_ping);
- if (rc != 0) {
+ if (rc) {
CERROR("Failed to create console pinger\n");
return rc;
}
@@ -1361,7 +1361,7 @@ lstcon_rpc_cleanup_wait(void)
spin_lock(&console_session.ses_rpc_lock);
- lst_wait_until((atomic_read(&console_session.ses_rpc_counter) == 0),
+ lst_wait_until(!atomic_read(&console_session.ses_rpc_counter),
console_session.ses_rpc_lock,
"Network is not accessible or target is down, waiting for %d console RPCs to being recycled\n",
atomic_read(&console_session.ses_rpc_counter));
@@ -1399,5 +1399,5 @@ void
lstcon_rpc_module_fini(void)
{
LASSERT(list_empty(&console_session.ses_rpc_freelist));
- LASSERT(atomic_read(&console_session.ses_rpc_counter) == 0);
+ LASSERT(!atomic_read(&console_session.ses_rpc_counter));
}
diff --git a/drivers/staging/lustre/lnet/selftest/console.c b/drivers/staging/lustre/lnet/selftest/console.c
index 8995417..59cd554 100644
--- a/drivers/staging/lustre/lnet/selftest/console.c
+++ b/drivers/staging/lustre/lnet/selftest/console.c
@@ -159,12 +159,12 @@ lstcon_ndlink_find(struct list_head *hash,
return 0;
}
- if (create == 0)
+ if (!create)
return -ENOENT;
/* find or create in session hash */
rc = lstcon_node_find(id, &nd, (create == 1) ? 1 : 0);
- if (rc != 0)
+ if (rc)
return rc;
LIBCFS_ALLOC(ndl, sizeof(lstcon_ndlink_t));
@@ -236,7 +236,7 @@ lstcon_group_drain(lstcon_group_t *grp, int keep)
lstcon_ndlink_t *tmp;
list_for_each_entry_safe(ndl, tmp, &grp->grp_ndl_list, ndl_link) {
- if ((ndl->ndl_node->nd_state & keep) == 0)
+ if (!(ndl->ndl_node->nd_state & keep))
lstcon_group_ndlink_release(grp, ndl);
}
}
@@ -267,7 +267,7 @@ lstcon_group_find(const char *name, lstcon_group_t **grpp)
lstcon_group_t *grp;
list_for_each_entry(grp, &console_session.ses_grp_list, grp_link) {
- if (strncmp(grp->grp_name, name, LST_NAME_SIZE) != 0)
+ if (strncmp(grp->grp_name, name, LST_NAME_SIZE))
continue;
lstcon_group_addref(grp); /* +1 ref for caller */
@@ -285,7 +285,7 @@ lstcon_group_ndlink_find(lstcon_group_t *grp, lnet_process_id_t id,
int rc;
rc = lstcon_ndlink_find(&grp->grp_ndl_hash[0], id, ndlpp, create);
- if (rc != 0)
+ if (rc)
return rc;
if (!list_empty(&(*ndlpp)->ndl_link))
@@ -404,7 +404,7 @@ lstcon_group_nodes_add(lstcon_group_t *grp,
int rc;
rc = lstcon_group_alloc(NULL, &tmp);
- if (rc != 0) {
+ if (rc) {
CERROR("Out of memory\n");
return -ENOMEM;
}
@@ -417,18 +417,18 @@ lstcon_group_nodes_add(lstcon_group_t *grp,
/* skip if it's in this group already */
rc = lstcon_group_ndlink_find(grp, id, &ndl, 0);
- if (rc == 0)
+ if (!rc)
continue;
/* add to tmp group */
rc = lstcon_group_ndlink_find(tmp, id, &ndl, 1);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create ndlink, out of memory\n");
break;
}
}
- if (rc != 0) {
+ if (rc) {
lstcon_group_decref(tmp);
return rc;
}
@@ -436,7 +436,7 @@ lstcon_group_nodes_add(lstcon_group_t *grp,
rc = lstcon_rpc_trans_ndlist(&tmp->grp_ndl_list,
&tmp->grp_trans_list, LST_TRANS_SESNEW,
tmp, lstcon_sesrpc_condition, &trans);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create transaction: %d\n", rc);
lstcon_group_decref(tmp);
return rc;
@@ -473,7 +473,7 @@ lstcon_group_nodes_remove(lstcon_group_t *grp,
/* End session and remove node from the group */
rc = lstcon_group_alloc(NULL, &tmp);
- if (rc != 0) {
+ if (rc) {
CERROR("Out of memory\n");
return -ENOMEM;
}
@@ -485,14 +485,14 @@ lstcon_group_nodes_remove(lstcon_group_t *grp,
}
/* move node to tmp group */
- if (lstcon_group_ndlink_find(grp, id, &ndl, 0) == 0)
+ if (!lstcon_group_ndlink_find(grp, id, &ndl, 0))
lstcon_group_ndlink_move(grp, tmp, ndl);
}
rc = lstcon_rpc_trans_ndlist(&tmp->grp_ndl_list,
&tmp->grp_trans_list, LST_TRANS_SESEND,
tmp, lstcon_sesrpc_condition, &trans);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create transaction: %d\n", rc);
goto error;
}
@@ -519,15 +519,15 @@ lstcon_group_add(char *name)
lstcon_group_t *grp;
int rc;
- rc = (lstcon_group_find(name, &grp) == 0) ? -EEXIST : 0;
- if (rc != 0) {
+ rc = lstcon_group_find(name, &grp) ? 0: -EEXIST;
+ if (rc) {
/* find a group with same name */
lstcon_group_decref(grp);
return rc;
}
rc = lstcon_group_alloc(name, &grp);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't allocate descriptor for group %s\n", name);
return -ENOMEM;
}
@@ -548,7 +548,7 @@ lstcon_nodes_add(char *name, int count, lnet_process_id_t __user *ids_up,
LASSERT(ids_up);
rc = lstcon_group_find(name, &grp);
- if (rc != 0) {
+ if (rc) {
CDEBUG(D_NET, "Can't find group %s\n", name);
return rc;
}
@@ -576,7 +576,7 @@ lstcon_group_del(char *name)
int rc;
rc = lstcon_group_find(name, &grp);
- if (rc != 0) {
+ if (rc) {
CDEBUG(D_NET, "Can't find group: %s\n", name);
return rc;
}
@@ -591,7 +591,7 @@ lstcon_group_del(char *name)
rc = lstcon_rpc_trans_ndlist(&grp->grp_ndl_list,
&grp->grp_trans_list, LST_TRANS_SESEND,
grp, lstcon_sesrpc_condition, &trans);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create transaction: %d\n", rc);
lstcon_group_decref(grp);
return rc;
@@ -618,7 +618,7 @@ lstcon_group_clean(char *name, int args)
int rc;
rc = lstcon_group_find(name, &grp);
- if (rc != 0) {
+ if (rc) {
CDEBUG(D_NET, "Can't find group %s\n", name);
return rc;
}
@@ -651,7 +651,7 @@ lstcon_nodes_remove(char *name, int count, lnet_process_id_t __user *ids_up,
int rc;
rc = lstcon_group_find(name, &grp);
- if (rc != 0) {
+ if (rc) {
CDEBUG(D_NET, "Can't find group: %s\n", name);
return rc;
}
@@ -681,7 +681,7 @@ lstcon_group_refresh(char *name, struct list_head __user *result_up)
int rc;
rc = lstcon_group_find(name, &grp);
- if (rc != 0) {
+ if (rc) {
CDEBUG(D_NET, "Can't find group: %s\n", name);
return rc;
}
@@ -697,7 +697,7 @@ lstcon_group_refresh(char *name, struct list_head __user *result_up)
rc = lstcon_rpc_trans_ndlist(&grp->grp_ndl_list,
&grp->grp_trans_list, LST_TRANS_SESNEW,
grp, lstcon_sesrpc_condition, &trans);
- if (rc != 0) {
+ if (rc) {
/* local error, return */
CDEBUG(D_NET, "Can't create transaction: %d\n", rc);
lstcon_group_decref(grp);
@@ -724,7 +724,7 @@ lstcon_group_list(int index, int len, char __user *name_up)
LASSERT(name_up);
list_for_each_entry(grp, &console_session.ses_grp_list, grp_link) {
- if (index-- == 0) {
+ if (!index--) {
return copy_to_user(name_up, grp->grp_name, len) ?
-EFAULT : 0;
}
@@ -784,7 +784,7 @@ lstcon_group_info(char *name, lstcon_ndlist_ent_t __user *gents_p,
int rc;
rc = lstcon_group_find(name, &grp);
- if (rc != 0) {
+ if (rc) {
CDEBUG(D_NET, "Can't find group %s\n", name);
return rc;
}
@@ -826,7 +826,7 @@ lstcon_batch_find(const char *name, lstcon_batch_t **batpp)
lstcon_batch_t *bat;
list_for_each_entry(bat, &console_session.ses_bat_list, bat_link) {
- if (strncmp(bat->bat_name, name, LST_NAME_SIZE) == 0) {
+ if (!strncmp(bat->bat_name, name, LST_NAME_SIZE)) {
*batpp = bat;
return 0;
}
@@ -842,8 +842,8 @@ lstcon_batch_add(char *name)
int i;
int rc;
- rc = (lstcon_batch_find(name, &bat) == 0) ? -EEXIST : 0;
- if (rc != 0) {
+ rc = !lstcon_batch_find(name, &bat) ? -EEXIST : 0;
+ if (rc) {
CDEBUG(D_NET, "Batch %s already exists\n", name);
return rc;
}
@@ -904,7 +904,7 @@ lstcon_batch_list(int index, int len, char __user *name_up)
LASSERT(index >= 0);
list_for_each_entry(bat, &console_session.ses_bat_list, bat_link) {
- if (index-- == 0) {
+ if (!index--) {
return copy_to_user(name_up, bat->bat_name, len) ?
-EFAULT : 0;
}
@@ -927,7 +927,7 @@ lstcon_batch_info(char *name, lstcon_test_batch_ent_t __user *ent_up,
int rc;
rc = lstcon_batch_find(name, &bat);
- if (rc != 0) {
+ if (rc) {
CDEBUG(D_NET, "Can't find batch %s\n", name);
return -ENOENT;
}
@@ -1017,7 +1017,7 @@ lstcon_batch_op(lstcon_batch_t *bat, int transop,
rc = lstcon_rpc_trans_ndlist(&bat->bat_cli_list,
&bat->bat_trans_list, transop,
bat, lstcon_batrpc_condition, &trans);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create transaction: %d\n", rc);
return rc;
}
@@ -1037,7 +1037,7 @@ lstcon_batch_run(char *name, int timeout, struct list_head __user *result_up)
lstcon_batch_t *bat;
int rc;
- if (lstcon_batch_find(name, &bat) != 0) {
+ if (lstcon_batch_find(name, &bat)) {
CDEBUG(D_NET, "Can't find batch %s\n", name);
return -ENOENT;
}
@@ -1047,7 +1047,7 @@ lstcon_batch_run(char *name, int timeout, struct list_head __user *result_up)
rc = lstcon_batch_op(bat, LST_TRANS_TSBRUN, result_up);
/* mark batch as running if it's started in any node */
- if (lstcon_tsbop_stat_success(lstcon_trans_stat(), 0) != 0)
+ if (lstcon_tsbop_stat_success(lstcon_trans_stat(), 0))
bat->bat_state = LST_BATCH_RUNNING;
return rc;
@@ -1059,7 +1059,7 @@ lstcon_batch_stop(char *name, int force, struct list_head __user *result_up)
lstcon_batch_t *bat;
int rc;
- if (lstcon_batch_find(name, &bat) != 0) {
+ if (lstcon_batch_find(name, &bat)) {
CDEBUG(D_NET, "Can't find batch %s\n", name);
return -ENOENT;
}
@@ -1069,7 +1069,7 @@ lstcon_batch_stop(char *name, int force, struct list_head __user *result_up)
rc = lstcon_batch_op(bat, LST_TRANS_TSBSTOP, result_up);
/* mark batch as stopped if all RPCs finished */
- if (lstcon_tsbop_stat_failure(lstcon_trans_stat(), 0) == 0)
+ if (!lstcon_tsbop_stat_failure(lstcon_trans_stat(), 0))
bat->bat_state = LST_BATCH_IDLE;
return rc;
@@ -1163,7 +1163,7 @@ lstcon_testrpc_condition(int transop, lstcon_node_t *nd, void *arg)
LASSERT(nd->nd_id.nid != LNET_NID_ANY);
- if (lstcon_ndlink_find(hash, nd->nd_id, &ndl, 1) != 0)
+ if (lstcon_ndlink_find(hash, nd->nd_id, &ndl, 1))
return -ENOMEM;
if (list_empty(&ndl->ndl_link))
@@ -1189,15 +1189,15 @@ again:
rc = lstcon_rpc_trans_ndlist(&grp->grp_ndl_list,
&test->tes_trans_list, transop,
test, lstcon_testrpc_condition, &trans);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create transaction: %d\n", rc);
return rc;
}
lstcon_rpc_trans_postwait(trans, LST_TRANS_TIMEOUT);
- if (lstcon_trans_stat()->trs_rpc_errno != 0 ||
- lstcon_trans_stat()->trs_fwk_errno != 0) {
+ if (lstcon_trans_stat()->trs_rpc_errno ||
+ lstcon_trans_stat()->trs_fwk_errno) {
lstcon_rpc_trans_interpreter(trans, result_up, NULL);
lstcon_rpc_trans_destroy(trans);
@@ -1229,7 +1229,7 @@ lstcon_verify_batch(const char *name, lstcon_batch_t **batch)
int rc;
rc = lstcon_batch_find(name, batch);
- if (rc != 0) {
+ if (rc) {
CDEBUG(D_NET, "Can't find batch %s\n", name);
return rc;
}
@@ -1249,7 +1249,7 @@ lstcon_verify_group(const char *name, lstcon_group_t **grp)
lstcon_ndlink_t *ndl;
rc = lstcon_group_find(name, grp);
- if (rc != 0) {
+ if (rc) {
CDEBUG(D_NET, "can't find group %s\n", name);
return rc;
}
@@ -1283,15 +1283,15 @@ lstcon_test_add(char *batch_name, int type, int loop,
* active node
*/
rc = lstcon_verify_batch(batch_name, &batch);
- if (rc != 0)
+ if (rc)
goto out;
rc = lstcon_verify_group(src_name, &src_grp);
- if (rc != 0)
+ if (rc)
goto out;
rc = lstcon_verify_group(dst_name, &dst_grp);
- if (rc != 0)
+ if (rc)
goto out;
if (dst_grp->grp_userland)
@@ -1326,11 +1326,11 @@ lstcon_test_add(char *batch_name, int type, int loop,
rc = lstcon_test_nodes_add(test, result_up);
- if (rc != 0)
+ if (rc)
goto out;
- if (lstcon_trans_stat()->trs_rpc_errno != 0 ||
- lstcon_trans_stat()->trs_fwk_errno != 0)
+ if (lstcon_trans_stat()->trs_rpc_errno ||
+ lstcon_trans_stat()->trs_fwk_errno)
CDEBUG(D_NET, "Failed to add test %d to batch %s\n", type,
batch_name);
@@ -1401,12 +1401,12 @@ lstcon_test_batch_query(char *name, int testidx, int client,
int rc;
rc = lstcon_batch_find(name, &batch);
- if (rc != 0) {
+ if (rc) {
CDEBUG(D_NET, "Can't find batch: %s\n", name);
return rc;
}
- if (testidx == 0) {
+ if (!testidx) {
translist = &batch->bat_trans_list;
ndlist = &batch->bat_cli_list;
hdr = &batch->bat_hdr;
@@ -1414,7 +1414,7 @@ lstcon_test_batch_query(char *name, int testidx, int client,
} else {
/* query specified test only */
rc = lstcon_test_find(batch, testidx, &test);
- if (rc != 0) {
+ if (rc) {
CDEBUG(D_NET, "Can't find test: %d\n", testidx);
return rc;
}
@@ -1428,16 +1428,16 @@ lstcon_test_batch_query(char *name, int testidx, int client,
rc = lstcon_rpc_trans_ndlist(ndlist, translist, transop, hdr,
lstcon_batrpc_condition, &trans);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create transaction: %d\n", rc);
return rc;
}
lstcon_rpc_trans_postwait(trans, timeout);
- if (testidx == 0 && /* query a batch, not a test */
- lstcon_rpc_stat_failure(lstcon_trans_stat(), 0) == 0 &&
- lstcon_tsbqry_stat_run(lstcon_trans_stat(), 0) == 0) {
+ if (!testidx && /* query a batch, not a test */
+ !lstcon_rpc_stat_failure(lstcon_trans_stat(), 0) &&
+ !lstcon_tsbqry_stat_run(lstcon_trans_stat(), 0)) {
/* all RPCs finished, and no active test */
batch->bat_state = LST_BATCH_IDLE;
}
@@ -1458,7 +1458,7 @@ lstcon_statrpc_readent(int transop, srpc_msg_t *msg,
srpc_counters_t __user *srpc_stat;
lnet_counters_t __user *lnet_stat;
- if (rep->str_status != 0)
+ if (rep->str_status)
return 0;
sfwk_stat = (sfw_counters_t __user *)&ent_up->rpe_payload[0];
@@ -1487,7 +1487,7 @@ lstcon_ndlist_stat(struct list_head *ndlist,
rc = lstcon_rpc_trans_ndlist(ndlist, &head,
LST_TRANS_STATQRY, NULL, NULL, &trans);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create transaction: %d\n", rc);
return rc;
}
@@ -1509,7 +1509,7 @@ lstcon_group_stat(char *grp_name, int timeout,
int rc;
rc = lstcon_group_find(grp_name, &grp);
- if (rc != 0) {
+ if (rc) {
CDEBUG(D_NET, "Can't find group %s\n", grp_name);
return rc;
}
@@ -1532,7 +1532,7 @@ lstcon_nodes_stat(int count, lnet_process_id_t __user *ids_up,
int rc;
rc = lstcon_group_alloc(NULL, &tmp);
- if (rc != 0) {
+ if (rc) {
CERROR("Out of memory\n");
return -ENOMEM;
}
@@ -1545,7 +1545,7 @@ lstcon_nodes_stat(int count, lnet_process_id_t __user *ids_up,
/* add to tmp group */
rc = lstcon_group_ndlink_find(tmp, id, &ndl, 2);
- if (rc != 0) {
+ if (rc) {
CDEBUG((rc == -ENOMEM) ? D_ERROR : D_NET,
"Failed to find or create %s: %d\n",
libcfs_id2str(id), rc);
@@ -1553,7 +1553,7 @@ lstcon_nodes_stat(int count, lnet_process_id_t __user *ids_up,
}
}
- if (rc != 0) {
+ if (rc) {
lstcon_group_decref(tmp);
return rc;
}
@@ -1575,7 +1575,7 @@ lstcon_debug_ndlist(struct list_head *ndlist,
rc = lstcon_rpc_trans_ndlist(ndlist, translist, LST_TRANS_SESQRY,
NULL, lstcon_sesrpc_condition, &trans);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create transaction: %d\n", rc);
return rc;
}
@@ -1604,7 +1604,7 @@ lstcon_batch_debug(int timeout, char *name,
int rc;
rc = lstcon_batch_find(name, &bat);
- if (rc != 0)
+ if (rc)
return -ENOENT;
rc = lstcon_debug_ndlist(client ? &bat->bat_cli_list :
@@ -1622,7 +1622,7 @@ lstcon_group_debug(int timeout, char *name,
int rc;
rc = lstcon_group_find(name, &grp);
- if (rc != 0)
+ if (rc)
return -ENOENT;
rc = lstcon_debug_ndlist(&grp->grp_ndl_list, NULL,
@@ -1644,7 +1644,7 @@ lstcon_nodes_debug(int timeout,
int rc;
rc = lstcon_group_alloc(NULL, &grp);
- if (rc != 0) {
+ if (rc) {
CDEBUG(D_NET, "Out of memory\n");
return rc;
}
@@ -1657,13 +1657,13 @@ lstcon_nodes_debug(int timeout,
/* node is added to tmp group */
rc = lstcon_group_ndlink_find(grp, id, &ndl, 1);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create node link\n");
break;
}
}
- if (rc != 0) {
+ if (rc) {
lstcon_group_decref(grp);
return rc;
}
@@ -1715,11 +1715,11 @@ lstcon_session_new(char *name, int key, unsigned feats,
rc = lstcon_session_end();
/* lstcon_session_end() only return local error */
- if (rc != 0)
+ if (rc)
return rc;
}
- if ((feats & ~LST_FEATS_MASK) != 0) {
+ if (feats & ~LST_FEATS_MASK) {
CNETERR("Unknown session features %x\n",
(feats & ~LST_FEATS_MASK));
return -EINVAL;
@@ -1741,11 +1741,11 @@ lstcon_session_new(char *name, int key, unsigned feats,
sizeof(console_session.ses_name));
rc = lstcon_batch_add(LST_DEFAULT_BATCH);
- if (rc != 0)
+ if (rc)
return rc;
rc = lstcon_rpc_pinger_start();
- if (rc != 0) {
+ if (rc) {
lstcon_batch_t *bat = NULL;
lstcon_batch_find(LST_DEFAULT_BATCH, &bat);
@@ -1754,8 +1754,8 @@ lstcon_session_new(char *name, int key, unsigned feats,
return rc;
}
- if (copy_to_user(sid_up, &console_session.ses_id,
- sizeof(lst_sid_t)) == 0)
+ if (!copy_to_user(sid_up, &console_session.ses_id,
+ sizeof(lst_sid_t)))
return rc;
lstcon_session_end();
@@ -1811,7 +1811,7 @@ lstcon_session_end(void)
rc = lstcon_rpc_trans_ndlist(&console_session.ses_ndl_list,
NULL, LST_TRANS_SESEND, NULL,
lstcon_sesrpc_condition, &trans);
- if (rc != 0) {
+ if (rc) {
CERROR("Can't create transaction: %d\n", rc);
return rc;
}
@@ -1865,7 +1865,7 @@ lstcon_session_feats_check(unsigned feats)
{
int rc = 0;
- if ((feats & ~LST_FEATS_MASK) != 0) {
+ if (feats & ~LST_FEATS_MASK) {
CERROR("Can't support these features: %x\n",
(feats & ~LST_FEATS_MASK));
return -EPROTO;
@@ -1883,7 +1883,7 @@ lstcon_session_feats_check(unsigned feats)
spin_unlock(&console_session.ses_rpc_lock);
- if (rc != 0) {
+ if (rc) {
CERROR("remote features %x do not match with session features %x of console\n",
feats, console_session.ses_features);
}
@@ -1913,7 +1913,7 @@ lstcon_acceptor_handle(struct srpc_server_rpc *rpc)
goto out;
}
- if (lstcon_session_feats_check(req->msg_ses_feats) != 0) {
+ if (lstcon_session_feats_check(req->msg_ses_feats)) {
jrep->join_status = EPROTO;
goto out;
}
@@ -1924,9 +1924,9 @@ lstcon_acceptor_handle(struct srpc_server_rpc *rpc)
goto out;
}
- if (lstcon_group_find(jreq->join_group, &grp) != 0) {
+ if (lstcon_group_find(jreq->join_group, &grp)) {
rc = lstcon_group_alloc(jreq->join_group, &grp);
- if (rc != 0) {
+ if (rc) {
CERROR("Out of memory\n");
goto out;
}
@@ -1943,13 +1943,13 @@ lstcon_acceptor_handle(struct srpc_server_rpc *rpc)
}
rc = lstcon_group_ndlink_find(grp, rpc->srpc_peer, &ndl, 0);
- if (rc == 0) {
+ if (!rc) {
jrep->join_status = EEXIST;
goto out;
}
rc = lstcon_group_ndlink_find(grp, rpc->srpc_peer, &ndl, 1);
- if (rc != 0) {
+ if (rc) {
CERROR("Out of memory\n");
goto out;
}
@@ -1957,7 +1957,7 @@ lstcon_acceptor_handle(struct srpc_server_rpc *rpc)
ndl->ndl_node->nd_state = LST_NODE_ACTIVE;
ndl->ndl_node->nd_timeout = console_session.ses_timeout;
- if (grp->grp_userland == 0)
+ if (!grp->grp_userland)
grp->grp_userland = 1;
strlcpy(jrep->join_session, console_session.ses_name,
@@ -2027,7 +2027,7 @@ lstcon_console_init(void)
rc = srpc_add_service(&lstcon_acceptor_service);
LASSERT(rc != -EBUSY);
- if (rc != 0) {
+ if (rc) {
LIBCFS_FREE(console_session.ses_ndl_hash,
sizeof(struct list_head) * LST_GLOBAL_HASHSIZE);
return rc;
@@ -2035,14 +2035,14 @@ lstcon_console_init(void)
rc = srpc_service_add_buffers(&lstcon_acceptor_service,
lstcon_acceptor_service.sv_wi_total);
- if (rc != 0) {
+ if (rc) {
rc = -ENOMEM;
goto out;
}
rc = libcfs_register_ioctl(&lstcon_ioctl_handler);
- if (rc == 0) {
+ if (!rc) {
lstcon_rpc_module_init();
return 0;
}
diff --git a/drivers/staging/lustre/lnet/selftest/framework.c b/drivers/staging/lustre/lnet/selftest/framework.c
index e8221a7..7eca046 100644
--- a/drivers/staging/lustre/lnet/selftest/framework.c
+++ b/drivers/staging/lustre/lnet/selftest/framework.c
@@ -100,8 +100,8 @@ do { \
__swab64s(&(lc).route_length); \
} while (0)
-#define sfw_test_active(t) (atomic_read(&(t)->tsi_nactive) != 0)
-#define sfw_batch_active(b) (atomic_read(&(b)->bat_nactive) != 0)
+#define sfw_test_active(t) (atomic_read(&(t)->tsi_nactive))
+#define sfw_batch_active(b) (atomic_read(&(b)->bat_nactive))
static struct smoketest_framework {
struct list_head fw_zombie_rpcs; /* RPCs to be recycled */
@@ -164,7 +164,7 @@ sfw_add_session_timer(void)
LASSERT(!sfw_data.fw_shuttingdown);
- if (!sn || sn->sn_timeout == 0)
+ if (!sn || !sn->sn_timeout)
return;
LASSERT(!sn->sn_timer_active);
@@ -183,7 +183,7 @@ sfw_del_session_timer(void)
if (!sn || !sn->sn_timer_active)
return 0;
- LASSERT(sn->sn_timeout != 0);
+ LASSERT(sn->sn_timeout);
if (stt_del_timer(&sn->sn_timer)) { /* timer defused */
sn->sn_timer_active = 0;
@@ -226,7 +226,7 @@ sfw_deactivate_session(void)
}
}
- if (nactive != 0)
+ if (nactive)
return; /* wait for active batches to stop */
list_del_init(&sn->sn_list);
@@ -302,9 +302,9 @@ sfw_server_rpc_done(struct srpc_server_rpc *rpc)
static void
sfw_client_rpc_fini(srpc_client_rpc_t *rpc)
{
- LASSERT(rpc->crpc_bulk.bk_niov == 0);
+ LASSERT(!rpc->crpc_bulk.bk_niov);
LASSERT(list_empty(&rpc->crpc_list));
- LASSERT(atomic_read(&rpc->crpc_refcount) == 0);
+ LASSERT(!atomic_read(&rpc->crpc_refcount));
CDEBUG(D_NET, "Outgoing framework RPC done: service %d, peer %s, status %s:%d:%d\n",
rpc->crpc_service, libcfs_id2str(rpc->crpc_dest),
@@ -445,7 +445,7 @@ sfw_make_session(srpc_mksn_reqst_t *request, srpc_mksn_reply_t *reply)
* console's responsibility to make sure all nodes in a session have
* same feature mask.
*/
- if ((msg->msg_ses_feats & ~LST_FEATS_MASK) != 0) {
+ if (msg->msg_ses_feats & ~LST_FEATS_MASK) {
reply->mksn_status = EPROTO;
return 0;
}
@@ -569,7 +569,7 @@ sfw_load_test(struct sfw_test_instance *tsi)
}
rc = srpc_service_add_buffers(svc, nbuf);
- if (rc != 0) {
+ if (rc) {
CWARN("Failed to reserve enough buffers: service %s, %d needed: %d\n",
svc->sv_name, nbuf, rc);
/*
@@ -696,7 +696,7 @@ sfw_unpack_addtest_req(srpc_msg_t *msg)
LASSERT(msg->msg_magic == __swab32(SRPC_MSG_MAGIC));
if (req->tsr_service == SRPC_SERVICE_BRW) {
- if ((msg->msg_ses_feats & LST_FEAT_BULK_LEN) == 0) {
+ if (!(msg->msg_ses_feats & LST_FEAT_BULK_LEN)) {
test_bulk_req_t *bulk = &req->tsr_u.bulk_v0;
__swab32s(&bulk->blk_opc);
@@ -761,7 +761,7 @@ sfw_add_test_instance(sfw_batch_t *tsb, struct srpc_server_rpc *rpc)
tsi->tsi_stoptsu_onerr = !!(req->tsr_stop_onerr);
rc = sfw_load_test(tsi);
- if (rc != 0) {
+ if (rc) {
LIBCFS_FREE(tsi, sizeof(*tsi));
return rc;
}
@@ -811,13 +811,13 @@ sfw_add_test_instance(sfw_batch_t *tsb, struct srpc_server_rpc *rpc)
}
rc = tsi->tsi_ops->tso_init(tsi);
- if (rc == 0) {
+ if (!rc) {
list_add_tail(&tsi->tsi_list, &tsb->bat_tests);
return 0;
}
error:
- LASSERT(rc != 0);
+ LASSERT(rc);
sfw_destroy_test_instance(tsi);
return rc;
}
@@ -882,9 +882,8 @@ sfw_test_rpc_done(srpc_client_rpc_t *rpc)
list_del_init(&rpc->crpc_list);
/* batch is stopping or loop is done or get error */
- if (tsi->tsi_stopping ||
- tsu->tsu_loop == 0 ||
- (rpc->crpc_status != 0 && tsi->tsi_stoptsu_onerr))
+ if (tsi->tsi_stopping || !tsu->tsu_loop ||
+ (rpc->crpc_status && tsi->tsi_stoptsu_onerr))
done = 1;
/* dec ref for poster */
@@ -953,7 +952,7 @@ sfw_run_test(swi_workitem_t *wi)
LASSERT(wi == &tsu->tsu_worker);
- if (tsi->tsi_ops->tso_prep_rpc(tsu, tsu->tsu_dest, &rpc) != 0) {
+ if (tsi->tsi_ops->tso_prep_rpc(tsu, tsu->tsu_dest, &rpc)) {
LASSERT(!rpc);
goto test_done;
}
@@ -1080,7 +1079,7 @@ sfw_query_batch(sfw_batch_t *tsb, int testidx, srpc_batch_reply_t *reply)
if (testidx < 0)
return -EINVAL;
- if (testidx == 0) {
+ if (!testidx) {
reply->bar_active = atomic_read(&tsb->bat_nactive);
return 0;
}
@@ -1129,11 +1128,11 @@ sfw_add_test(struct srpc_server_rpc *rpc)
request = &rpc->srpc_reqstbuf->buf_msg.msg_body.tes_reqst;
reply->tsr_sid = !sn ? LST_INVALID_SID : sn->sn_id;
- if (request->tsr_loop == 0 ||
- request->tsr_concur == 0 ||
+ if (!request->tsr_loop ||
+ !request->tsr_concur ||
request->tsr_sid.ses_nid == LNET_NID_ANY ||
request->tsr_ndest > SFW_MAX_NDESTS ||
- (request->tsr_is_client && request->tsr_ndest == 0) ||
+ (request->tsr_is_client && !request->tsr_ndest) ||
request->tsr_concur > SFW_MAX_CONCUR ||
request->tsr_service > SRPC_SERVICE_MAX_ID ||
request->tsr_service <= SRPC_FRAMEWORK_SERVICE_MAX_ID) {
@@ -1165,7 +1164,7 @@ sfw_add_test(struct srpc_server_rpc *rpc)
int npg = sfw_id_pages(request->tsr_ndest);
int len;
- if ((sn->sn_features & LST_FEAT_BULK_LEN) == 0) {
+ if (!(sn->sn_features & LST_FEAT_BULK_LEN)) {
len = npg * PAGE_CACHE_SIZE;
} else {
@@ -1177,9 +1176,9 @@ sfw_add_test(struct srpc_server_rpc *rpc)
}
rc = sfw_add_test_instance(bat, rpc);
- CDEBUG(rc == 0 ? D_NET : D_WARNING,
+ CDEBUG(!rc ? D_NET : D_WARNING,
"%s test: sv %d %s, loop %d, concur %d, ndest %d\n",
- rc == 0 ? "Added" : "Failed to add", request->tsr_service,
+ !rc ? "Added" : "Failed to add", request->tsr_service,
request->tsr_is_client ? "client" : "server",
request->tsr_loop, request->tsr_concur, request->tsr_ndest);
@@ -1248,7 +1247,7 @@ sfw_handle_server_rpc(struct srpc_server_rpc *rpc)
}
/* Remove timer to avoid racing with it or expiring active session */
- if (sfw_del_session_timer() != 0) {
+ if (sfw_del_session_timer()) {
CERROR("Dropping RPC (%s) from %s: racing with expiry timer.",
sv->sv_name, libcfs_id2str(rpc->srpc_peer));
spin_unlock(&sfw_data.fw_lock);
@@ -1277,7 +1276,7 @@ sfw_handle_server_rpc(struct srpc_server_rpc *rpc)
goto out;
}
- } else if ((request->msg_ses_feats & ~LST_FEATS_MASK) != 0) {
+ } else if (request->msg_ses_feats & ~LST_FEATS_MASK) {
/*
* NB: at this point, old version will ignore features and
* create new session anyway, so console should be able
@@ -1348,7 +1347,7 @@ sfw_bulk_ready(struct srpc_server_rpc *rpc, int status)
spin_lock(&sfw_data.fw_lock);
- if (status != 0) {
+ if (status) {
CERROR("Bulk transfer failed for RPC: service %s, peer %s, status %d\n",
sv->sv_name, libcfs_id2str(rpc->srpc_peer), status);
spin_unlock(&sfw_data.fw_lock);
@@ -1360,7 +1359,7 @@ sfw_bulk_ready(struct srpc_server_rpc *rpc, int status)
return -ESHUTDOWN;
}
- if (sfw_del_session_timer() != 0) {
+ if (sfw_del_session_timer()) {
CERROR("Dropping RPC (%s) from %s: racing with expiry timer",
sv->sv_name, libcfs_id2str(rpc->srpc_peer));
spin_unlock(&sfw_data.fw_lock);
@@ -1394,7 +1393,7 @@ sfw_create_rpc(lnet_process_id_t peer, int service,
LASSERT(!sfw_data.fw_shuttingdown);
LASSERT(service <= SRPC_FRAMEWORK_SERVICE_MAX_ID);
- if (nbulkiov == 0 && !list_empty(&sfw_data.fw_zombie_rpcs)) {
+ if (!nbulkiov && !list_empty(&sfw_data.fw_zombie_rpcs)) {
rpc = list_entry(sfw_data.fw_zombie_rpcs.next,
srpc_client_rpc_t, crpc_list);
list_del(&rpc->crpc_list);
@@ -1408,7 +1407,7 @@ sfw_create_rpc(lnet_process_id_t peer, int service,
if (!rpc) {
rpc = srpc_create_client_rpc(peer, service,
nbulkiov, bulklen, done,
- nbulkiov != 0 ? NULL :
+ nbulkiov ? NULL :
sfw_client_rpc_fini,
priv);
}
@@ -1661,10 +1660,10 @@ sfw_startup(void)
return -EINVAL;
}
- if (session_timeout == 0)
+ if (!session_timeout)
CWARN("Zero session_timeout specified - test sessions never expire.\n");
- if (rpc_timeout == 0)
+ if (!rpc_timeout)
CWARN("Zero rpc_timeout specified - test RPC never expire.\n");
memset(&sfw_data, 0, sizeof(struct smoketest_framework));
@@ -1680,12 +1679,12 @@ sfw_startup(void)
brw_init_test_client();
brw_init_test_service();
rc = sfw_register_test(&brw_test_service, &brw_test_client);
- LASSERT(rc == 0);
+ LASSERT(!rc);
ping_init_test_client();
ping_init_test_service();
rc = sfw_register_test(&ping_test_service, &ping_test_client);
- LASSERT(rc == 0);
+ LASSERT(!rc);
error = 0;
list_for_each_entry(tsc, &sfw_data.fw_tests, tsc_list) {
@@ -1693,7 +1692,7 @@ sfw_startup(void)
rc = srpc_add_service(sv);
LASSERT(rc != -EBUSY);
- if (rc != 0) {
+ if (rc) {
CWARN("Failed to add %s service: %d\n",
sv->sv_name, rc);
error = rc;
@@ -1713,7 +1712,7 @@ sfw_startup(void)
rc = srpc_add_service(sv);
LASSERT(rc != -EBUSY);
- if (rc != 0) {
+ if (rc) {
CWARN("Failed to add %s service: %d\n",
sv->sv_name, rc);
error = rc;
@@ -1724,14 +1723,14 @@ sfw_startup(void)
continue;
rc = srpc_service_add_buffers(sv, sv->sv_wi_total);
- if (rc != 0) {
+ if (rc) {
CWARN("Failed to reserve enough buffers: service %s, %d needed: %d\n",
sv->sv_name, sv->sv_wi_total, rc);
error = -ENOMEM;
}
}
- if (error != 0)
+ if (error)
sfw_shutdown();
return error;
}
@@ -1749,12 +1748,12 @@ sfw_shutdown(void)
lst_wait_until(!sfw_data.fw_active_srpc, sfw_data.fw_lock,
"waiting for active RPC to finish.\n");
- if (sfw_del_session_timer() != 0)
+ if (sfw_del_session_timer())
lst_wait_until(!sfw_data.fw_session, sfw_data.fw_lock,
"waiting for session timer to explode.\n");
sfw_deactivate_session();
- lst_wait_until(atomic_read(&sfw_data.fw_nzombies) == 0,
+ lst_wait_until(!atomic_read(&sfw_data.fw_nzombies),
sfw_data.fw_lock,
"waiting for %d zombie sessions to die.\n",
atomic_read(&sfw_data.fw_nzombies));
diff --git a/drivers/staging/lustre/lnet/selftest/module.c b/drivers/staging/lustre/lnet/selftest/module.c
index 741509a..c4bf442 100644
--- a/drivers/staging/lustre/lnet/selftest/module.c
+++ b/drivers/staging/lustre/lnet/selftest/module.c
@@ -98,7 +98,7 @@ lnet_selftest_init(void)
rc = cfs_wi_sched_create("lst_s", lnet_cpt_table(), CFS_CPT_ANY,
1, &lst_sched_serial);
- if (rc != 0) {
+ if (rc) {
CERROR("Failed to create serial WI scheduler for LST\n");
return rc;
}
@@ -117,7 +117,7 @@ lnet_selftest_init(void)
nthrs = max(nthrs - 1, 1);
rc = cfs_wi_sched_create("lst_t", lnet_cpt_table(), i,
nthrs, &lst_sched_test[i]);
- if (rc != 0) {
+ if (rc) {
CERROR("Failed to create CPT affinity WI scheduler %d for LST\n",
i);
goto error;
@@ -125,21 +125,21 @@ lnet_selftest_init(void)
}
rc = srpc_startup();
- if (rc != 0) {
+ if (rc) {
CERROR("LST can't startup rpc\n");
goto error;
}
lst_init_step = LST_INIT_RPC;
rc = sfw_startup();
- if (rc != 0) {
+ if (rc) {
CERROR("LST can't startup framework\n");
goto error;
}
lst_init_step = LST_INIT_FW;
rc = lstcon_console_init();
- if (rc != 0) {
+ if (rc) {
CERROR("LST can't startup console\n");
goto error;
}
diff --git a/drivers/staging/lustre/lnet/selftest/ping_test.c b/drivers/staging/lustre/lnet/selftest/ping_test.c
index 01ceee5..9d27e39 100644
--- a/drivers/staging/lustre/lnet/selftest/ping_test.c
+++ b/drivers/staging/lustre/lnet/selftest/ping_test.c
@@ -61,7 +61,7 @@ ping_client_init(sfw_test_instance_t *tsi)
sfw_session_t *sn = tsi->tsi_batch->bat_session;
LASSERT(tsi->tsi_is_client);
- LASSERT(sn && (sn->sn_features & ~LST_FEATS_MASK) == 0);
+ LASSERT(sn && !(sn->sn_features & ~LST_FEATS_MASK));
spin_lock_init(&lst_ping_data.pnd_lock);
lst_ping_data.pnd_counter = 0;
@@ -96,10 +96,10 @@ ping_client_prep_rpc(sfw_test_unit_t *tsu,
int rc;
LASSERT(sn);
- LASSERT((sn->sn_features & ~LST_FEATS_MASK) == 0);
+ LASSERT(!(sn->sn_features & ~LST_FEATS_MASK));
rc = sfw_create_test_rpc(tsu, dest, sn->sn_features, 0, 0, rpc);
- if (rc != 0)
+ if (rc)
return rc;
req = &(*rpc)->crpc_reqstmsg.msg_body.ping_reqst;
@@ -128,7 +128,7 @@ ping_client_done_rpc(sfw_test_unit_t *tsu, srpc_client_rpc_t *rpc)
LASSERT(sn);
- if (rpc->crpc_status != 0) {
+ if (rpc->crpc_status) {
if (!tsi->tsi_stopping) /* rpc could have been aborted */
atomic_inc(&sn->sn_ping_errors);
CERROR("Unable to ping %s (%d): %d\n",
@@ -198,7 +198,7 @@ ping_server_handle(struct srpc_server_rpc *rpc)
rep->pnr_seq = req->pnr_seq;
rep->pnr_magic = LST_PING_TEST_MAGIC;
- if ((reqstmsg->msg_ses_feats & ~LST_FEATS_MASK) != 0) {
+ if (reqstmsg->msg_ses_feats & ~LST_FEATS_MASK) {
replymsg->msg_ses_feats = LST_FEATS_MASK;
rep->pnr_status = EPROTO;
return 0;
diff --git a/drivers/staging/lustre/lnet/selftest/rpc.c b/drivers/staging/lustre/lnet/selftest/rpc.c
index 1e78711..f95fd9b 100644
--- a/drivers/staging/lustre/lnet/selftest/rpc.c
+++ b/drivers/staging/lustre/lnet/selftest/rpc.c
@@ -284,7 +284,7 @@ srpc_service_init(struct srpc_service *svc)
swi_init_workitem(&scd->scd_buf_wi, scd,
srpc_add_buffer, lst_sched_test[i]);
- if (i != 0 && srpc_serv_is_framework(svc)) {
+ if (i && srpc_serv_is_framework(svc)) {
/*
* NB: framework service only needs srpc_service_cd for
* one partition, but we allocate for all to make
@@ -315,7 +315,7 @@ srpc_add_service(struct srpc_service *sv)
LASSERT(0 <= id && id <= SRPC_SERVICE_MAX_ID);
- if (srpc_service_init(sv) != 0)
+ if (srpc_service_init(sv))
return -ENOMEM;
spin_lock(&srpc_data.rpc_glock);
@@ -366,7 +366,7 @@ srpc_post_passive_rdma(int portal, int local, __u64 matchbits, void *buf,
rc = LNetMEAttach(portal, peer, matchbits, 0, LNET_UNLINK,
local ? LNET_INS_LOCAL : LNET_INS_AFTER, &meh);
- if (rc != 0) {
+ if (rc) {
CERROR("LNetMEAttach failed: %d\n", rc);
LASSERT(rc == -ENOMEM);
return -ENOMEM;
@@ -380,12 +380,12 @@ srpc_post_passive_rdma(int portal, int local, __u64 matchbits, void *buf,
md.eq_handle = srpc_data.rpc_lnet_eq;
rc = LNetMDAttach(meh, md, LNET_UNLINK, mdh);
- if (rc != 0) {
+ if (rc) {
CERROR("LNetMDAttach failed: %d\n", rc);
LASSERT(rc == -ENOMEM);
rc = LNetMEUnlink(meh);
- LASSERT(rc == 0);
+ LASSERT(!rc);
return -ENOMEM;
}
@@ -406,11 +406,11 @@ srpc_post_active_rdma(int portal, __u64 matchbits, void *buf, int len,
md.start = buf;
md.length = len;
md.eq_handle = srpc_data.rpc_lnet_eq;
- md.threshold = ((options & LNET_MD_OP_GET) != 0) ? 2 : 1;
+ md.threshold = options & LNET_MD_OP_GET ? 2 : 1;
md.options = options & ~(LNET_MD_OP_PUT | LNET_MD_OP_GET);
rc = LNetMDBind(md, LNET_UNLINK, mdh);
- if (rc != 0) {
+ if (rc) {
CERROR("LNetMDBind failed: %d\n", rc);
LASSERT(rc == -ENOMEM);
return -ENOMEM;
@@ -421,18 +421,18 @@ srpc_post_active_rdma(int portal, __u64 matchbits, void *buf, int len,
* they're only meaningful for MDs attached to an ME (i.e. passive
* buffers...
*/
- if ((options & LNET_MD_OP_PUT) != 0) {
+ if (options & LNET_MD_OP_PUT) {
rc = LNetPut(self, *mdh, LNET_NOACK_REQ, peer,
portal, matchbits, 0, 0);
} else {
- LASSERT((options & LNET_MD_OP_GET) != 0);
+ LASSERT(options & LNET_MD_OP_GET);
rc = LNetGet(self, *mdh, peer, portal, matchbits, 0);
}
- if (rc != 0) {
+ if (rc) {
CERROR("LNet%s(%s, %d, %lld) failed: %d\n",
- ((options & LNET_MD_OP_PUT) != 0) ? "Put" : "Get",
+ options & LNET_MD_OP_PUT ? "Put" : "Get",
libcfs_id2str(peer), portal, matchbits, rc);
/*
@@ -440,7 +440,7 @@ srpc_post_active_rdma(int portal, __u64 matchbits, void *buf, int len,
* with failure, so fall through and return success here.
*/
rc = LNetMDUnlink(*mdh);
- LASSERT(rc == 0);
+ LASSERT(!rc);
} else {
CDEBUG(D_NET, "Posted active RDMA: peer %s, portal %u, matchbits %#llx\n",
libcfs_id2str(peer), portal, matchbits);
@@ -487,7 +487,7 @@ srpc_service_post_buffer(struct srpc_service_cd *scd, struct srpc_buffer *buf)
*/
spin_lock(&scd->scd_lock);
- if (rc == 0) {
+ if (!rc) {
if (!sv->sv_shuttingdown)
return 0;
@@ -555,7 +555,7 @@ srpc_add_buffer(struct swi_workitem *wi)
}
rc = srpc_service_post_buffer(scd, buf);
- if (rc != 0)
+ if (rc)
break; /* buf has been freed inside */
LASSERT(scd->scd_buf_posting > 0);
@@ -564,7 +564,7 @@ srpc_add_buffer(struct swi_workitem *wi)
scd->scd_buf_low = max(2, scd->scd_buf_total / 4);
}
- if (rc != 0) {
+ if (rc) {
scd->scd_buf_err_stamp = ktime_get_real_seconds();
scd->scd_buf_err = rc;
@@ -616,12 +616,12 @@ srpc_service_add_buffers(struct srpc_service *sv, int nbuffer)
* block all WIs pending on lst_sched_serial for a moment
* which is not good but not fatal.
*/
- lst_wait_until(scd->scd_buf_err != 0 ||
- (scd->scd_buf_adjust == 0 &&
- scd->scd_buf_posting == 0),
+ lst_wait_until(scd->scd_buf_err ||
+ (!scd->scd_buf_adjust &&
+ !scd->scd_buf_posting),
scd->scd_lock, "waiting for adding buffer\n");
- if (scd->scd_buf_err != 0 && rc == 0)
+ if (scd->scd_buf_err && !rc)
rc = scd->scd_buf_err;
spin_unlock(&scd->scd_lock);
@@ -702,7 +702,7 @@ srpc_service_recycle_buffer(struct srpc_service_cd *scd, srpc_buffer_t *buf)
__must_hold(&scd->scd_lock)
{
if (!scd->scd_svc->sv_shuttingdown && scd->scd_buf_adjust >= 0) {
- if (srpc_service_post_buffer(scd, buf) != 0) {
+ if (srpc_service_post_buffer(scd, buf)) {
CWARN("Failed to post %s buffer\n",
scd->scd_svc->sv_name);
}
@@ -715,7 +715,7 @@ srpc_service_recycle_buffer(struct srpc_service_cd *scd, srpc_buffer_t *buf)
if (scd->scd_buf_adjust < 0) {
scd->scd_buf_adjust++;
if (scd->scd_buf_adjust < 0 &&
- scd->scd_buf_total == 0 && scd->scd_buf_posting == 0) {
+ !scd->scd_buf_total && !scd->scd_buf_posting) {
CDEBUG(D_INFO,
"Try to recycle %d buffers but nothing left\n",
scd->scd_buf_adjust);
@@ -807,7 +807,7 @@ srpc_send_request(srpc_client_rpc_t *rpc)
sizeof(srpc_msg_t), LNET_MD_OP_PUT,
rpc->crpc_dest, LNET_NID_ANY,
&rpc->crpc_reqstmdh, ev);
- if (rc != 0) {
+ if (rc) {
LASSERT(rc == -ENOMEM);
ev->ev_fired = 1; /* no more event expected */
}
@@ -831,7 +831,7 @@ srpc_prepare_reply(srpc_client_rpc_t *rpc)
&rpc->crpc_replymsg, sizeof(srpc_msg_t),
LNET_MD_OP_PUT, rpc->crpc_dest,
&rpc->crpc_replymdh, ev);
- if (rc != 0) {
+ if (rc) {
LASSERT(rc == -ENOMEM);
ev->ev_fired = 1; /* no more event expected */
}
@@ -849,7 +849,7 @@ srpc_prepare_bulk(srpc_client_rpc_t *rpc)
LASSERT(bk->bk_niov <= LNET_MAX_IOV);
- if (bk->bk_niov == 0)
+ if (!bk->bk_niov)
return 0; /* nothing to do */
opt = bk->bk_sink ? LNET_MD_OP_PUT : LNET_MD_OP_GET;
@@ -864,7 +864,7 @@ srpc_prepare_bulk(srpc_client_rpc_t *rpc)
rc = srpc_post_passive_rdma(SRPC_RDMA_PORTAL, 0, *id,
&bk->bk_iovs[0], bk->bk_niov, opt,
rpc->crpc_dest, &bk->bk_mdh, ev);
- if (rc != 0) {
+ if (rc) {
LASSERT(rc == -ENOMEM);
ev->ev_fired = 1; /* no more event expected */
}
@@ -893,7 +893,7 @@ srpc_do_bulk(struct srpc_server_rpc *rpc)
&bk->bk_iovs[0], bk->bk_niov, opt,
rpc->srpc_peer, rpc->srpc_self,
&bk->bk_mdh, ev);
- if (rc != 0)
+ if (rc)
ev->ev_fired = 1; /* no more event expected */
return rc;
}
@@ -906,16 +906,16 @@ srpc_server_rpc_done(struct srpc_server_rpc *rpc, int status)
struct srpc_service *sv = scd->scd_svc;
srpc_buffer_t *buffer;
- LASSERT(status != 0 || rpc->srpc_wi.swi_state == SWI_STATE_DONE);
+ LASSERT(status || rpc->srpc_wi.swi_state == SWI_STATE_DONE);
rpc->srpc_status = status;
- CDEBUG_LIMIT(status == 0 ? D_NET : D_NETERROR,
+ CDEBUG_LIMIT(!status ? D_NET : D_NETERROR,
"Server RPC %p done: service %s, peer %s, status %s:%d\n",
rpc, sv->sv_name, libcfs_id2str(rpc->srpc_peer),
swi_state2str(rpc->srpc_wi.swi_state), status);
- if (status != 0) {
+ if (status) {
spin_lock(&srpc_data.rpc_glock);
srpc_data.rpc_counters.rpcs_dropped++;
spin_unlock(&srpc_data.rpc_glock);
@@ -1003,7 +1003,7 @@ srpc_handle_rpc(swi_workitem_t *wi)
msg = &rpc->srpc_reqstbuf->buf_msg;
reply = &rpc->srpc_replymsg.msg_body.reply;
- if (msg->msg_magic == 0) {
+ if (!msg->msg_magic) {
/* moaned already in srpc_lnet_ev_handler */
srpc_server_rpc_done(rpc, EBADMSG);
return 1;
@@ -1019,8 +1019,8 @@ srpc_handle_rpc(swi_workitem_t *wi)
} else {
reply->status = 0;
rc = (*sv->sv_handler)(rpc);
- LASSERT(reply->status == 0 || !rpc->srpc_bulk);
- if (rc != 0) {
+ LASSERT(!reply->status || !rpc->srpc_bulk);
+ if (rc) {
srpc_server_rpc_done(rpc, rc);
return 1;
}
@@ -1030,7 +1030,7 @@ srpc_handle_rpc(swi_workitem_t *wi)
if (rpc->srpc_bulk) {
rc = srpc_do_bulk(rpc);
- if (rc == 0)
+ if (!rc)
return 0; /* wait for bulk */
LASSERT(ev->ev_fired);
@@ -1046,7 +1046,7 @@ srpc_handle_rpc(swi_workitem_t *wi)
if (sv->sv_bulk_ready)
rc = (*sv->sv_bulk_ready) (rpc, rc);
- if (rc != 0) {
+ if (rc) {
srpc_server_rpc_done(rpc, rc);
return 1;
}
@@ -1054,7 +1054,7 @@ srpc_handle_rpc(swi_workitem_t *wi)
wi->swi_state = SWI_STATE_REPLY_SUBMITTED;
rc = srpc_send_reply(rpc);
- if (rc == 0)
+ if (!rc)
return 0; /* wait for reply */
srpc_server_rpc_done(rpc, rc);
return 1;
@@ -1102,7 +1102,7 @@ srpc_add_client_rpc_timer(srpc_client_rpc_t *rpc)
{
stt_timer_t *timer = &rpc->crpc_timer;
- if (rpc->crpc_timeout == 0)
+ if (!rpc->crpc_timeout)
return;
INIT_LIST_HEAD(&timer->stt_list);
@@ -1123,7 +1123,7 @@ static void
srpc_del_client_rpc_timer(srpc_client_rpc_t *rpc)
{
/* timer not planted or already exploded */
- if (rpc->crpc_timeout == 0)
+ if (!rpc->crpc_timeout)
return;
/* timer successfully defused */
@@ -1131,7 +1131,7 @@ srpc_del_client_rpc_timer(srpc_client_rpc_t *rpc)
return;
/* timer detonated, wait for it to explode */
- while (rpc->crpc_timeout != 0) {
+ while (rpc->crpc_timeout) {
spin_unlock(&rpc->crpc_lock);
schedule();
@@ -1145,17 +1145,17 @@ srpc_client_rpc_done(srpc_client_rpc_t *rpc, int status)
{
swi_workitem_t *wi = &rpc->crpc_wi;
- LASSERT(status != 0 || wi->swi_state == SWI_STATE_DONE);
+ LASSERT(status || wi->swi_state == SWI_STATE_DONE);
spin_lock(&rpc->crpc_lock);
rpc->crpc_closed = 1;
- if (rpc->crpc_status == 0)
+ if (!rpc->crpc_status)
rpc->crpc_status = status;
srpc_del_client_rpc_timer(rpc);
- CDEBUG_LIMIT((status == 0) ? D_NET : D_NETERROR,
+ CDEBUG_LIMIT(!status ? D_NET : D_NETERROR,
"Client RPC done: service %d, peer %s, status %s:%d:%d\n",
rpc->crpc_service, libcfs_id2str(rpc->crpc_dest),
swi_state2str(wi->swi_state), rpc->crpc_aborted, status);
@@ -1212,13 +1212,13 @@ srpc_send_rpc(swi_workitem_t *wi)
LASSERT(!srpc_event_pending(rpc));
rc = srpc_prepare_reply(rpc);
- if (rc != 0) {
+ if (rc) {
srpc_client_rpc_done(rpc, rc);
return 1;
}
rc = srpc_prepare_bulk(rpc);
- if (rc != 0)
+ if (rc)
break;
wi->swi_state = SWI_STATE_REQUEST_SUBMITTED;
@@ -1235,7 +1235,7 @@ srpc_send_rpc(swi_workitem_t *wi)
break;
rc = rpc->crpc_reqstev.ev_status;
- if (rc != 0)
+ if (rc)
break;
wi->swi_state = SWI_STATE_REQUEST_SENT;
@@ -1247,7 +1247,7 @@ srpc_send_rpc(swi_workitem_t *wi)
break;
rc = rpc->crpc_replyev.ev_status;
- if (rc != 0)
+ if (rc)
break;
srpc_unpack_msg_hdr(reply);
@@ -1262,7 +1262,7 @@ srpc_send_rpc(swi_workitem_t *wi)
break;
}
- if (do_bulk && reply->msg_body.reply.status != 0) {
+ if (do_bulk && reply->msg_body.reply.status) {
CWARN("Remote error %d at %s, unlink bulk buffer in case peer didn't initiate bulk transfer\n",
reply->msg_body.reply.status,
libcfs_id2str(rpc->crpc_dest));
@@ -1284,7 +1284,7 @@ srpc_send_rpc(swi_workitem_t *wi)
* remote error.
*/
if (do_bulk && rpc->crpc_bulkev.ev_lnet == LNET_EVENT_UNLINK &&
- rpc->crpc_status == 0 && reply->msg_body.reply.status != 0)
+ !rpc->crpc_status && reply->msg_body.reply.status)
rc = 0;
wi->swi_state = SWI_STATE_DONE;
@@ -1292,7 +1292,7 @@ srpc_send_rpc(swi_workitem_t *wi)
return 1;
}
- if (rc != 0) {
+ if (rc) {
spin_lock(&rpc->crpc_lock);
srpc_abort_rpc(rpc, rc);
spin_unlock(&rpc->crpc_lock);
@@ -1334,7 +1334,7 @@ srpc_create_client_rpc(lnet_process_id_t peer, int service,
void
srpc_abort_rpc(srpc_client_rpc_t *rpc, int why)
{
- LASSERT(why != 0);
+ LASSERT(why);
if (rpc->crpc_aborted || /* already aborted */
rpc->crpc_closed) /* callback imminent */
@@ -1387,7 +1387,7 @@ srpc_send_reply(struct srpc_server_rpc *rpc)
* Repost buffer before replying since test client
* might send me another RPC once it gets the reply
*/
- if (srpc_service_post_buffer(scd, buffer) != 0)
+ if (srpc_service_post_buffer(scd, buffer))
CWARN("Failed to repost %s buffer\n", sv->sv_name);
rpc->srpc_reqstbuf = NULL;
}
@@ -1406,7 +1406,7 @@ srpc_send_reply(struct srpc_server_rpc *rpc)
sizeof(*msg), LNET_MD_OP_PUT,
rpc->srpc_peer, rpc->srpc_self,
&rpc->srpc_replymdh, ev);
- if (rc != 0)
+ if (rc)
ev->ev_fired = 1; /* no more event expected */
return rc;
}
@@ -1426,7 +1426,7 @@ srpc_lnet_ev_handler(lnet_event_t *ev)
LASSERT(!in_interrupt());
- if (ev->status != 0) {
+ if (ev->status) {
spin_lock(&srpc_data.rpc_glock);
srpc_data.rpc_counters.errors++;
spin_unlock(&srpc_data.rpc_glock);
@@ -1440,7 +1440,7 @@ srpc_lnet_ev_handler(lnet_event_t *ev)
rpcev->ev_status, rpcev->ev_type, rpcev->ev_lnet);
LBUG();
case SRPC_REQUEST_SENT:
- if (ev->status == 0 && ev->type != LNET_EVENT_UNLINK) {
+ if (!ev->status && ev->type != LNET_EVENT_UNLINK) {
spin_lock(&srpc_data.rpc_glock);
srpc_data.rpc_counters.rpcs_sent++;
spin_unlock(&srpc_data.rpc_glock);
@@ -1462,7 +1462,7 @@ srpc_lnet_ev_handler(lnet_event_t *ev)
spin_lock(&crpc->crpc_lock);
- LASSERT(rpcev->ev_fired == 0);
+ LASSERT(!rpcev->ev_fired);
rpcev->ev_fired = 1;
rpcev->ev_status = (ev->type == LNET_EVENT_UNLINK) ?
-EINTR : ev->status;
@@ -1501,15 +1501,15 @@ srpc_lnet_ev_handler(lnet_event_t *ev)
break;
}
- if (scd->scd_buf_err_stamp != 0 &&
+ if (scd->scd_buf_err_stamp &&
scd->scd_buf_err_stamp < ktime_get_real_seconds()) {
/* re-enable adding buffer */
scd->scd_buf_err_stamp = 0;
scd->scd_buf_err = 0;
}
- if (scd->scd_buf_err == 0 && /* adding buffer is enabled */
- scd->scd_buf_adjust == 0 &&
+ if (!scd->scd_buf_err && /* adding buffer is enabled */
+ !scd->scd_buf_adjust &&
scd->scd_buf_nposted < scd->scd_buf_low) {
scd->scd_buf_adjust = max(scd->scd_buf_total / 2,
SFW_TEST_WI_MIN);
@@ -1520,7 +1520,7 @@ srpc_lnet_ev_handler(lnet_event_t *ev)
msg = &buffer->buf_msg;
type = srpc_service2request(sv->sv_id);
- if (ev->status != 0 || ev->mlength != sizeof(*msg) ||
+ if (ev->status || ev->mlength != sizeof(*msg) ||
(msg->msg_type != type &&
msg->msg_type != __swab32(type)) ||
(msg->msg_magic != SRPC_MSG_MAGIC &&
@@ -1569,7 +1569,7 @@ srpc_lnet_ev_handler(lnet_event_t *ev)
break; /* wait for final event */
case SRPC_BULK_PUT_SENT:
- if (ev->status == 0 && ev->type != LNET_EVENT_UNLINK) {
+ if (!ev->status && ev->type != LNET_EVENT_UNLINK) {
spin_lock(&srpc_data.rpc_glock);
if (rpcev->ev_type == SRPC_BULK_GET_RPLD)
@@ -1622,22 +1622,22 @@ srpc_startup(void)
LNetInvalidateHandle(&srpc_data.rpc_lnet_eq);
rc = LNetEQAlloc(0, srpc_lnet_ev_handler, &srpc_data.rpc_lnet_eq);
- if (rc != 0) {
+ if (rc) {
CERROR("LNetEQAlloc() has failed: %d\n", rc);
goto bail;
}
rc = LNetSetLazyPortal(SRPC_FRAMEWORK_REQUEST_PORTAL);
- LASSERT(rc == 0);
+ LASSERT(!rc);
rc = LNetSetLazyPortal(SRPC_REQUEST_PORTAL);
- LASSERT(rc == 0);
+ LASSERT(!rc);
srpc_data.rpc_state = SRPC_STATE_EQ_INIT;
rc = stt_startup();
bail:
- if (rc != 0)
+ if (rc)
srpc_shutdown();
else
srpc_data.rpc_state = SRPC_STATE_RUNNING;
@@ -1675,9 +1675,9 @@ srpc_shutdown(void)
case SRPC_STATE_EQ_INIT:
rc = LNetClearLazyPortal(SRPC_FRAMEWORK_REQUEST_PORTAL);
rc = LNetClearLazyPortal(SRPC_REQUEST_PORTAL);
- LASSERT(rc == 0);
+ LASSERT(!rc);
rc = LNetEQFree(srpc_data.rpc_lnet_eq);
- LASSERT(rc == 0); /* the EQ should have no user by now */
+ LASSERT(!rc); /* the EQ should have no user by now */
case SRPC_STATE_NI_INIT:
LNetNIFini();
diff --git a/drivers/staging/lustre/lnet/selftest/selftest.h b/drivers/staging/lustre/lnet/selftest/selftest.h
index e6367ec..f6c8244 100644
--- a/drivers/staging/lustre/lnet/selftest/selftest.h
+++ b/drivers/staging/lustre/lnet/selftest/selftest.h
@@ -255,9 +255,9 @@ do { \
srpc_destroy_client_rpc(rpc); \
} while (0)
-#define srpc_event_pending(rpc) ((rpc)->crpc_bulkev.ev_fired == 0 || \
- (rpc)->crpc_reqstev.ev_fired == 0 || \
- (rpc)->crpc_replyev.ev_fired == 0)
+#define srpc_event_pending(rpc) (!(rpc)->crpc_bulkev.ev_fired || \
+ !(rpc)->crpc_reqstev.ev_fired || \
+ !(rpc)->crpc_replyev.ev_fired)
/* CPU partition data of srpc service */
struct srpc_service_cd {
@@ -506,7 +506,7 @@ srpc_destroy_client_rpc(srpc_client_rpc_t *rpc)
{
LASSERT(rpc);
LASSERT(!srpc_event_pending(rpc));
- LASSERT(atomic_read(&rpc->crpc_refcount) == 0);
+ LASSERT(!atomic_read(&rpc->crpc_refcount));
if (!rpc->crpc_fini)
LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
@@ -601,7 +601,7 @@ srpc_wait_service_shutdown(srpc_service_t *sv)
LASSERT(sv->sv_shuttingdown);
- while (srpc_finish_service(sv) == 0) {
+ while (!srpc_finish_service(sv)) {
i++;
CDEBUG(((i & -i) == i) ? D_WARNING : D_NET,
"Waiting for %s service to shutdown...\n",
diff --git a/drivers/staging/lustre/lnet/selftest/timer.c b/drivers/staging/lustre/lnet/selftest/timer.c
index dce5137..c891371 100644
--- a/drivers/staging/lustre/lnet/selftest/timer.c
+++ b/drivers/staging/lustre/lnet/selftest/timer.c
@@ -218,7 +218,7 @@ stt_startup(void)
stt_data.stt_nthreads = 0;
init_waitqueue_head(&stt_data.stt_waitq);
rc = stt_start_timer_thread();
- if (rc != 0)
+ if (rc)
CERROR("Can't spawn timer thread: %d\n", rc);
return rc;
@@ -237,7 +237,7 @@ stt_shutdown(void)
stt_data.stt_shuttingdown = 1;
wake_up(&stt_data.stt_waitq);
- lst_wait_until(stt_data.stt_nthreads == 0, stt_data.stt_lock,
+ lst_wait_until(!stt_data.stt_nthreads, stt_data.stt_lock,
"waiting for %d threads to terminate\n",
stt_data.stt_nthreads);
--
1.7.1
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