From 6600cc301d0762e3db8bd2b44d2d5fef36a4fd68 Mon Sep 17 00:00:00 2001
From: Ian Armstrong <ian@iarmst.demon.co.uk>
Date: Sat, 28 May 2011 22:15:41 -0300
Subject: [PATCH] [media] ivtvfb: Add sanity check to ivtvfb_pan_display()

Add sanity check to ivtvfb_pan_display() to ensure only valid values are used
to pan the display. Invalid values are rejected with -EINVAL

Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk>
Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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