linux-kernel - Re: [PATCH 3/3] drm: arm-hdlcd: fix build warnings for !CONFIG

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:	Mon, 4 Jan 2016 09:24:32 +0100
From:	Thierry Reding <thierry.reding@...il.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Liviu Dudau <liviu.dudau@....com>,
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH 3/3] drm: arm-hdlcd: fix build warnings for !CONFIG_PM

On Fri, Jan 01, 2016 at 03:39:17PM +0100, Arnd Bergmann wrote:
> The hdlcd_pm_suspend and hdlcd_pm_resume are intentionally unused
> when CONFIG_PM is not set in this driver, and we get a compiler warning
> for this:
> 
> drivers/gpu/drm/arm/hdlcd_drv.c:521:12: warning: 'hdlcd_pm_suspend' defined but not used [-Wunused-function]
> drivers/gpu/drm/arm/hdlcd_drv.c:536:12: warning: 'hdlcd_pm_resume' defined but not used [-Wunused-function]
> 
> This adds a __maybe_unused annotation for the two functions, to let
> the compiler know this is the intended behavior. This is better than
> an #ifdef as it improves the compile time coverage of the code and it
> looks nicer.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Reviewed-by: Thierry Reding <treding@...dia.com>

Download attachment "signature.asc" of type "application/pgp-signature" (820 bytes)