From: Baruch Siach <baruch@tkos.co.il>
Date: Tue, 27 Jul 2010 12:06:07 +0000 (-0300)
Subject: V4L/DVB: mx2_camera: fix a race causing NULL dereference
X-Git-Tag: v2.6.36-rc8~32^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5384a12b23160e11ff949a94172051476d308b66;p=pandora-kernel.git

V4L/DVB: mx2_camera: fix a race causing NULL dereference

The mx25_camera_irq irq handler may get called after the camera has been
deactivated (from mx2_camera_deactivate). Detect this situation, and bail out.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

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