linux-kernel - Re: [PATCH 1/3] zswap: Delete an error message for a failed memory allocation in zswap_pool

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Message-ID: <CALZtONC5Jb15itFG-zxDC317oqdKGosp=44c=hpsEdaoYLmmUg@mail.gmail.com>
Date:   Tue, 30 May 2017 19:18:55 -0400
From:   Dan Streetman <ddstreet@...e.org>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:     Linux-MM <linux-mm@...ck.org>, Seth Jennings <sjenning@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 1/3] zswap: Delete an error message for a failed memory
 allocation in zswap_pool_create()

On Sun, May 21, 2017 at 4:25 AM, SF Markus Elfring
<elfring@...rs.sourceforge.net> wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> 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@...rs.sourceforge.net>

Acked-by: Dan Streetman <ddstreet@...e.org>

> ---
>  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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