linux-kernel - Re: [PATCH 1/3] iio: core: Add devm_ APIs for iio_channel

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 for Android: free password hash cracker in your pocket

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

Message-ID: <CAEnQRZBtqDQjydDKywYy9oLecFtjntfWhgOtd2xekVyFrYkH3w@mail.gmail.com>
Date:	Wed, 6 Apr 2016 16:49:23 +0300
From:	Daniel Baluta <daniel.baluta@...il.com>
To:	Laxman Dewangan <ldewangan@...dia.com>
Cc:	Jonathan Cameron <jic23@...nel.org>,
	Jonathan Corbet <corbet@....net>,
	Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald-Stadler <pmeerw@...erw.net>,
	linux-doc@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>
Subject: Re: [PATCH 1/3] iio: core: Add devm_ APIs for iio_channel_{get,release}

On Wed, Apr 6, 2016 at 1:31 PM, Laxman Dewangan <ldewangan@...dia.com> wrote:
> Some of kernel driver uses the IIO framework to get the sensor
> value via ADC or IIO HW driver. The client driver get iio channel
> by iio_channel_get() and release it by calling iio_channel_release().
>
> Add resource managed version (devm_*) of these APIs so that if client
> calls the devm_iio_channel_get() then it need not to release it explicitly,
> it can be done by managed device framework when driver get un-binded.
>
> This reduces the code in error path and also need of .remove callback in
> some cases.
>

Please provide at least one example of code that uses this API.