Re: [PATCH -next] pstore/blk: Fix return value check in pstore_blk_init()

From: Kees Cook
Date: Wed Jun 16 2021 - 23:20:06 EST


On Thu, Jun 17, 2021 at 08:54:24AM +0800, Pu Lehui wrote:
> Fix the return value check which testing the wrong variable
> in pstore_blk_init().
>
> Signed-off-by: Pu Lehui <pulehui@xxxxxxxxxx>
> ---
> fs/pstore/blk.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/pstore/blk.c b/fs/pstore/blk.c
> index ccfb11ee4d50..d5e22e6209a6 100644
> --- a/fs/pstore/blk.c
> +++ b/fs/pstore/blk.c
> @@ -287,7 +287,7 @@ static int __init pstore_blk_init(void)
> struct pstore_device_info *best_effort_dev;
>
> best_effort_dev = kzalloc(sizeof(*best_effort_dev), GFP_KERNEL);
> - if (!best_effort) {
> + if (!best_effort_dev) {
> ret = -ENOMEM;
> goto unlock;
> }

Whoops; thanks!

--
Kees Cook