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Date: Mon, 6 Jul 2015 20:42:53 +0200
Message-ID: <CANq1E4Tr6AxUvjdEZ3B++1sDr0iM4p93s80t2-9s6J4Ywzb7nA@mail.gmail.com>
Subject: Re: [PATCH] kdbus: Delete an unnecessary check before the function
 call "kdbus_domain_unref"
From: David Herrmann <dh.herrmann@gmail.com>
To: SF Markus Elfring <elfring@users.sourceforge.net>
Cc: Daniel Mack <daniel@zonque.org>,
        David Herrmann <dh.herrmann@googlemail.com>,
        Djalal Harouni <tixxdz@opendz.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        LKML <linux-kernel@vger.kernel.org>,
        "kernel-janitors@vger.kernel.org" <kernel-janitors@vger.kernel.org>,
        Julia Lawall <julia.lawall@lip6.fr>
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Hi

On Wed, Jun 24, 2015 at 2:40 PM, SF Markus Elfring
<elfring@users.sourceforge.net> wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Wed, 24 Jun 2015 14:30:17 +0200
>
> The kdbus_domain_unref() function tests whether its argument is NULL
> and then returns immediately. Thus the test around the call is not needed.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
> ---
>  ipc/kdbus/fs.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)

Applied!

Thanks
David

> diff --git a/ipc/kdbus/fs.c b/ipc/kdbus/fs.c
> index d01f33b..205a3ad 100644
> --- a/ipc/kdbus/fs.c
> +++ b/ipc/kdbus/fs.c
> @@ -325,9 +325,7 @@ static void fs_super_kill(struct super_block *sb)
>         }
>
>         kill_anon_super(sb);
> -
> -       if (domain)
> -               kdbus_domain_unref(domain);
> +       kdbus_domain_unref(domain);
>  }
>
>  static int fs_super_set(struct super_block *sb, void *data)
> --
> 2.4.4
>