From: Alexey Khoroshilov <khoroshilov@ispras.ru>
Date: Mon, 29 Aug 2011 17:46:57 +0000 (+0400)
Subject: staging/easycap: fix mismatch in easycap_poll() mutex lock-unlock
X-Git-Tag: v3.2-rc1~169^2^2~812
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22f88fcf407933321d08c45520fbeffca70b05d1;p=pandora-kernel.git

staging/easycap: fix mismatch in easycap_poll() mutex lock-unlock

In case if condition (kd != isdongle(peasycap)) becomes true,
easycap_poll() returns without releasing easycapdc60_dongle[kd].mutex_video.
The patch adds mutex_unlock() before that return.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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