tree f6c6c09126ee46f307ba422f75b217f00c60d6a0
parent e6a623460e5fc960ac3ee9f946d3106233fd28d8
author Guennadi Liakhovetski <g.liakhovetski@gmx.de> 1397483374 -0300
committer Mauro Carvalho Chehab <m.chehab@samsung.com> 1400022182 -0300

[media] V4L2: ov7670: fix a wrong index, potentially Oopsing the kernel from user-space

Commit 75e2bdad8901a0b599e01a96229be922eef1e488 "ov7670: allow
configuration of image size, clock speed, and I/O method" uses a wrong
index to iterate an array. Apart from being wrong, it also uses an
unchecked value from user-space, which can cause access to unmapped
memory in the kernel, triggered by a normal desktop user with rights to
use V4L2 devices.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>