linux-kernel - Re: [PATCH] drm/via: reduce no need mutex

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] [day] [month] [year] [list]

Message-ID: <20201017081132.GD2568873@ravnborg.org>
Date:   Sat, 17 Oct 2020 10:11:32 +0200
From:   Sam Ravnborg <sam@...nborg.org>
To:     Bernard Zhao <bernard@...o.com>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        opensource.kernel@...o.com
Subject: Re: [PATCH] drm/via: reduce no need mutex_lock area

Hi Bernard.

On Fri, Aug 14, 2020 at 01:30:19AM -0700, Bernard Zhao wrote:
> In function via_mem_alloc`s error branch, DRM_ERROR is protected
> in the mutex_lock(&dev->struct_mutex) area.
> >From the code, we see that DRM_ERROR is just an error log print
> without any struct element, there is no need to protect this.
> 
> Signed-off-by: Bernard Zhao <bernard@...o.com>

Thanks, applied to drm-misc-next.

The patch will show up in -next in a few weeks.

	Sam