From: Rob Clark <robdclark@gmail.com>
Date: Fri, 6 Sep 2013 19:36:40 +0000 (-0400)
Subject: drm/msm: fix cmdstream size check
X-Git-Tag: v3.12-rc2~3^2^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=198725337ef1f73b73e7dc953c6ffb0799f26ffe;p=pandora-kernel.git

drm/msm: fix cmdstream size check

Need to check size+offset against bo size (duh!).. now we have a test
case to make sure I've done it right:

https://github.com/freedreno/msmtest/blob/master/submittest.c

Also, use DRM_ERROR() for error case traces, which makes debugging
userspace easier when enabling debug traces is too much.

Signed-off-by: Rob Clark <robdclark@gmail.com>
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