linux-kernel - Re: [PATCH v2 1/1] media: v4l: Don't turn on privacy LED if streamon fails

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, 15 Apr 2024 07:29:41 +0000
From: Sakari Ailus <sakari.ailus@...ux.intel.com>
To: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc: linux-media@...r.kernel.org, tomi.valkeinen@...asonboard.com,
	Hans de Goede <hdegoede@...hat.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Hans Verkuil <hverkuil@...all.nl>,
	Umang Jain <umang.jain@...asonboard.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/1] media: v4l: Don't turn on privacy LED if streamon
 fails

On Mon, Apr 15, 2024 at 10:18:12AM +0300, Laurent Pinchart wrote:
> > Maybe because a large majority is GPIO-controlled?
> 
> GPIOs can fail, in particular when they're on I2C GPIO expanders.

Sure, but gpiod_set_value() return type is also void.

It just works... right?

-- 
Sakari Ailus