From: Christian König <deathsimple@vodafone.de>
Date: Wed, 2 May 2012 13:11:14 +0000 (+0200)
Subject: drm/radeon: fix a bug in the SA code
X-Git-Tag: v3.6-rc1~59^2~48
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=96050bca22f4fe6c8db175e02c8530a9720e5e9b;p=pandora-kernel.git

drm/radeon: fix a bug in the SA code

Aligning offset can make it bigger than tmp->offset
leading to an overrun bug in the following subtraction.

v2: Against initial suspicions this can't happen in mainline,
    so no need to push it into stable.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

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