From: Christian König <christian.koenig@amd.com>
Date: Tue, 31 Mar 2015 15:36:57 +0000 (+0200)
Subject: drm/radeon: add extra check in radeon_ttm_tt_unpin_userptr
X-Git-Tag: omap-for-v4.1/fixes-rc1~236^2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=863653fed0f449fb738295255cc834b271cfa088;p=pandora-kernel.git

drm/radeon: add extra check in radeon_ttm_tt_unpin_userptr

We somehow try to free the SG table twice.

Bugs: https://bugs.freedesktop.org/show_bug.cgi?id=89734

Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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