tree eafb5b3d0e1d08759501e48ba135420acd968603
parent abaafc0af9f74f8e6212a3bf54fb907358b40ad7
author Thomas Hellstrom <thellstrom@vmware.com> 1397579148 +0200
committer Thomas Hellstrom <thellstrom@vmware.com> 1398321925 +0200

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>