diff mbox series

md/raid5: missing error code in setup_conf()

Message ID YtZ90ZYlrVvucwr9@kili (mailing list archive)
State New, archived
Headers show
Series md/raid5: missing error code in setup_conf() | expand

Commit Message

Dan Carpenter July 19, 2022, 9:48 a.m. UTC
Return -ENOMEM if the allocation fails.  Don't return success.

Fixes: 8fbcba6b999b ("md/raid5: Cleanup setup_conf() error returns")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 drivers/md/raid5.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Comments

Logan Gunthorpe July 19, 2022, 4:57 p.m. UTC | #1
On 2022-07-19 03:48, Dan Carpenter wrote:
> Return -ENOMEM if the allocation fails.  Don't return success.
> 
> Fixes: 8fbcba6b999b ("md/raid5: Cleanup setup_conf() error returns")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Oops, nice catch. 

Reviewed-by: Logan Gunthorpe <logang@deltatee.com>

Thanks,

Logan

> ---
>  drivers/md/raid5.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
> index a7db73d36cc4..f31012357572 100644
> --- a/drivers/md/raid5.c
> +++ b/drivers/md/raid5.c
> @@ -7492,7 +7492,9 @@ static struct r5conf *setup_conf(struct mddev *mddev)
>  		goto abort;
>  	conf->mddev = mddev;
>  
> -	if ((conf->stripe_hashtbl = kzalloc(PAGE_SIZE, GFP_KERNEL)) == NULL)
> +	ret = -ENOMEM;
> +	conf->stripe_hashtbl = kzalloc(PAGE_SIZE, GFP_KERNEL);
> +	if (!conf->stripe_hashtbl)
>  		goto abort;
>  
>  	/* We init hash_locks[0] separately to that it can be used
Song Liu July 19, 2022, 6:41 p.m. UTC | #2
On Tue, Jul 19, 2022 at 9:57 AM Logan Gunthorpe <logang@deltatee.com> wrote:
>
>
>
> On 2022-07-19 03:48, Dan Carpenter wrote:
> > Return -ENOMEM if the allocation fails.  Don't return success.
> >
> > Fixes: 8fbcba6b999b ("md/raid5: Cleanup setup_conf() error returns")
> > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
>
> Oops, nice catch.
>
> Reviewed-by: Logan Gunthorpe <logang@deltatee.com>

Applied to md-fixes. Thanks!

Song
diff mbox series

Patch

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index a7db73d36cc4..f31012357572 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -7492,7 +7492,9 @@  static struct r5conf *setup_conf(struct mddev *mddev)
 		goto abort;
 	conf->mddev = mddev;
 
-	if ((conf->stripe_hashtbl = kzalloc(PAGE_SIZE, GFP_KERNEL)) == NULL)
+	ret = -ENOMEM;
+	conf->stripe_hashtbl = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	if (!conf->stripe_hashtbl)
 		goto abort;
 
 	/* We init hash_locks[0] separately to that it can be used