Re: [PATCH 1/3] zswap: Delete an error message for a failed memory allocation in zswap_pool_create()

From: Dan Streetman
Date: Tue May 30 2017 - 19:19:43 EST


On Sun, May 21, 2017 at 4:25 AM, SF Markus Elfring
<elfring@xxxxxxxxxxxxxxxxxxxxx> wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Sat, 20 May 2017 22:33:21 +0200
>
> Omit an extra message for a memory allocation failure in this function.
>
> This issue was detected by using the Coccinelle software.
>
> Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>

Acked-by: Dan Streetman <ddstreet@xxxxxxxx>

> ---
> mm/zswap.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/mm/zswap.c b/mm/zswap.c
> index eedc27894b10..18d8e87119a6 100644
> --- a/mm/zswap.c
> +++ b/mm/zswap.c
> @@ -518,7 +518,5 @@ static struct zswap_pool *zswap_pool_create(char *type, char *compressor)
> - if (!pool) {
> - pr_err("pool alloc failed\n");
> + if (!pool)
> return NULL;
> - }
>
> /* unique name for each pool specifically required by zsmalloc */
> snprintf(name, 38, "zswap%x", atomic_inc_return(&zswap_pools_count));
> --
> 2.13.0
>
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