From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Tue, 13 Mar 2012 10:35:41 +0000 (+0200)
Subject: drm: Check crtc x and y coordinates
X-Git-Tag: v3.4-rc1~143^2~54
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1d97e9154821d52a5ebc226176d4839c7b86b116;p=pandora-kernel.git

drm: Check crtc x and y coordinates

The crtc x/y panning coordinates are stored as signed integers
internally. The user provides them as unsigned, so we should check
that the user provided values actually fit in the internal datatypes.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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