[lustre-devel] [PATCH] staging: lustre: fix sparse warning about different address spaces
Oleg Drokin
oleg.drokin at intel.com
Mon Mar 6 21:38:16 PST 2017
On Mar 1, 2017, at 6:57 PM, Mario Bambagini wrote:
> fixed the following sparse warning by adding proper cast:
> drivers/staging//lustre/lustre/obdclass/obd_config.c:1055:74: warning: incorrect type in argument 2 (different address spaces)
> drivers/staging//lustre/lustre/obdclass/obd_config.c:1055:74: expected char const [noderef] <asn:1>*<noident>
> drivers/staging//lustre/lustre/obdclass/obd_config.c:1055:74: got char *[assigned] sval
>
> Signed-off-by: Mario Bambagini <mario.bambagini at gmail.com>
The patch is fine, but just be advised this whole function is going away real soon now
per Al Viro request (and also because it no longer does what it should).
> ---
> drivers/staging/lustre/lustre/obdclass/obd_config.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/staging/lustre/lustre/obdclass/obd_config.c b/drivers/staging/lustre/lustre/obdclass/obd_config.c
> index 9ca84c7..8fce88f 100644
> --- a/drivers/staging/lustre/lustre/obdclass/obd_config.c
> +++ b/drivers/staging/lustre/lustre/obdclass/obd_config.c
> @@ -1052,7 +1052,8 @@ int class_process_proc_param(char *prefix, struct lprocfs_vars *lvars,
>
> oldfs = get_fs();
> set_fs(KERNEL_DS);
> - rc = var->fops->write(&fakefile, sval,
> + rc = var->fops->write(&fakefile,
> + (const char __user *)sval,
> vallen, NULL);
> set_fs(oldfs);
> }
> --
> 2.1.4
>
> _______________________________________________
> lustre-devel mailing list
> lustre-devel at lists.lustre.org
> http://lists.lustre.org/listinfo.cgi/lustre-devel-lustre.org
More information about the lustre-devel
mailing list