linux-kernel - Re: [PATCH] [media] tw686x-kh: Delete an unnecessary check before the function call "video_unregister

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 22 Jul 2016 12:16:00 +0200
From:	khalasa@...p.pl (Krzysztof Hałasa)
To:	SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:	linux-media@...r.kernel.org, devel@...verdev.osuosl.org,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Hans Verkuil <hans.verkuil@...co.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org,
	Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH] [media] tw686x-kh: Delete an unnecessary check before the function call "video_unregister_device"

SF Markus Elfring <elfring@...rs.sourceforge.net> writes:

> The video_unregister_device() 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@...rs.sourceforge.net>
> ---
>  drivers/staging/media/tw686x-kh/tw686x-kh-video.c | 3 +--

Thanks.
-- 
Krzysztof Halasa

Industrial Research Institute for Automation and Measurements PIAP
Al. Jerozolimskie 202, 02-486 Warsaw, Poland