From bf6f036848ab2151c2498f11cb7d31a52a95dd5c Mon Sep 17 00:00:00 2001
From: Thomas Hellstrom <thellstrom@vmware.com>
Date: Fri, 9 Nov 2012 12:26:15 +0000
Subject: [PATCH] drm/vmwgfx: Make vmw_dmabuf_unreference handle NULL objects

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Dmitry Torokhov <dtor@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Reading git-format-patch failed