From: Thomas Hellstrom <thellstrom@vmware.com>
Date: Fri, 24 Jan 2014 07:49:45 +0000 (+0100)
Subject: drm/ttm: Fix TTM object open regression
X-Git-Tag: firefly_0821_release~176^2~4437^2~8^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c66f854338253e603a4fb6817069ee23eacf0ae3;hp=c66f854338253e603a4fb6817069ee23eacf0ae3;p=firefly-linux-kernel-4.4.55.git

drm/ttm: Fix TTM object open regression

Commit drm/ttm: ttm object security fixes for render nodes introduced a
regression where, if a TTM object was opened multiple times from the same
open file, the caller would spin uninterruptibly in the kernel.

Fix this.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
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