drm/prime: fix sgt NULL checking
authorJoonyoung Shim <jy0922.shim@samsung.com>
Thu, 4 Jul 2013 07:19:12 +0000 (16:19 +0900)
committerJoonyoung Shim <jy0922.shim@samsung.com>
Wed, 13 Jan 2016 01:29:11 +0000 (10:29 +0900)
commit0597d841d70fa2d554f994490bbf16a70dc7f279
tree033e918a8ef9ce0ca114ea1131d41402c98e3758
parentebc847482075423a55999e3815b0b043a409d070
drm/prime: fix sgt NULL checking

The drm_gem_map_detach() can be called with sgt is NULL.

Change-Id: I2a422a1bf92333e60de902ab048048f0b4c754dc
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/drm_prime.c