From cbd75e97a525e3819c02dc18bc2d67aa544c9e45 Mon Sep 17 00:00:00 2001
From: Thomas Hellstrom <thellstrom@vmware.com>
Date: Tue, 15 Apr 2014 18:25:48 +0200
Subject: [PATCH] drm/vmwgfx: Make sure user-space can't DMA across buffer
 object boundaries v2

We already check that the buffer object we're accessing is registered with
the file. Now also make sure that we can't DMA across buffer object boundaries.

v2: Code commenting update.

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