From: Dave Airlie <airlied@redhat.com>
Date: Sun, 29 May 2011 07:48:32 +0000 (+1000)
Subject: drm/radeon: fix oops in ttm reserve when pageflipping (v2)
X-Git-Tag: v3.0-rc3~42^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=498c555f56a02ec1059bc150cde84411ba0ac010;p=pandora-kernel.git

drm/radeon: fix oops in ttm reserve when pageflipping (v2)

We need to take a reference to this object, pinning doesn't take a reference
so if userspace deletes the object it can disappear even if pinned.

v2: fix error paths to unreference properly also.

should fix:
https://bugzilla.kernel.org/show_bug.cgi?id=32402
and
https://bugzilla.redhat.com/show_bug.cgi?id=680651

Acked-By: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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