From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sat, 14 Mar 2015 16:28:25 +0000 (-0300)
Subject: [media] v4l2-ioctl: allow all controls if ctrl_class == 0
X-Git-Tag: omap-for-v4.1/fixes-rc1~72^2~1^2~199
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9b239b22df3ced4629af97e7edda558f1e7531b6;p=pandora-kernel.git

[media] v4l2-ioctl: allow all controls if ctrl_class == 0

The check_ext_ctrls() function in v4l2-ioctl.c checks if all controls in the
control array are from the same control class as c->ctrl_class. However,
that check should only be done if c->ctrl_class != 0. A 0 value means
that this restriction does not apply.

So return 1 (OK) if c->ctrl_class == 0.

Found by running v4l2-compliance on the uvc driver.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
---

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