From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Sun, 25 Apr 2010 19:27:14 +0000 (-0300)
Subject: V4L/DVB: uvcvideo: Prevent division by 0 when control step value is 0
X-Git-Tag: v2.6.35-rc1~480^2~58
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cf7a50eeb6f462a0b7d1619fcb27a727a2981769;p=pandora-kernel.git

V4L/DVB: uvcvideo: Prevent division by 0 when control step value is 0

The control step values reported by the device are used as a divisor
unchecked, which can result in a division by zero.

Check the step value and make it 1 when null.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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