From a09f347c6cc0b2821557d1346c4733cc78a79ffa Mon Sep 17 00:00:00 2001
From: Aaro Koskinen <aaro.koskinen@iki.fi>
Date: Wed, 12 Sep 2012 00:44:37 +0300
Subject: [PATCH] staging: xgifb: validate the mode against video memory size

It's possible to select video mode that exceeds the available video
memory. This is potentially dangerous, fix by adding a check.

The patch fixes system hangs seen occasionally when playing random videos
with mplayer.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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