From 9a0599ddeae012a771bba5e23393fc52d8a59d89 Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <jakob@vmware.com>
Date: Wed, 30 Oct 2013 02:46:56 -0700
Subject: [PATCH] drm/ttm: Handle in-memory region copies
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Fix the case where the ttm pointer may be NULL causing
a NULL pointer dereference.

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Thomas Hellström <thellstrom@vmware.com>
Cc: stable@vger.kernel.org
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