video: tegra: host: Do not access cmdbuf_ext if NULL
Fix dereferencing cmdbuf_ext even when it's NULL.
Bug
1452279
Bug
1452227
Change-Id: Iabd98ea6e6aab0b2cf8e04287d43361dee9aa699
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: Naveen Kumar S <nkumars@nvidia.com>
Reviewed-on: http://git-master/r/364298
(cherry picked from commit
3d20989565ab3d34dea52f49bb3928d33427dca9)
Reviewed-on: http://git-master/r/377630
GVS: Gerrit_Virtual_Submit
Reviewed-by: Eric Brower <ebrower@nvidia.com>
Reviewed-by: Matthew Pedro <mapedro@nvidia.com>