[lustre-devel] [PATCH 26/34] lnet: only valid lnd_type when net_id is unique.

[NeilBrown]

If it isn't unique, we won't add it, so no need to validate.

This is part of
    8cbb8cd3e771e7f7e0f99cafc19fad32770dc015
       LU-7734 lnet: Multi-Rail local NI split

Signed-off-by: NeilBrown <neilb at suse.com>
---
 drivers/staging/lustre/lnet/lnet/api-ni.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/lustre/lnet/lnet/api-ni.c b/drivers/staging/lustre/lnet/lnet/api-ni.c
index ab4d093c04da..0dfd3004f735 100644
--- a/drivers/staging/lustre/lnet/lnet/api-ni.c
+++ b/drivers/staging/lustre/lnet/lnet/api-ni.c
@@ -1366,13 +1366,14 @@ lnet_startup_lndnet(struct lnet_net *net, struct lnet_lnd_tunables *tun)
 	__u32			lnd_type;
 	struct lnet_lnd		*lnd;
 
-	lnd_type = LNET_NETTYP(net->net_id);
-
 	INIT_LIST_HEAD(&local_ni_list);
-	LASSERT(libcfs_isknown_lnd(lnd_type));
 
 	/* Make sure this new NI is unique. */
 	if (lnet_net_unique(net->net_id, &the_lnet.ln_nets)) {
+		lnd_type = LNET_NETTYP(net->net_id);
+
+		LASSERT(libcfs_isknown_lnd(lnd_type));
+
 		mutex_lock(&the_lnet.ln_lnd_mutex);
 		lnd = lnet_find_lnd_by_type(lnd_type);