drm/ttm: check the return value of kzalloc
authorXiongwei Song <sxwjean@gmail.com>
Tue, 2 Jan 2018 13:24:55 +0000 (21:24 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 2 Jan 2018 19:54:05 +0000 (14:54 -0500)
commit19d859a7205bc59ffc38303eb25ae394f61d21dc
tree78687b322eb35074276572e246a8597b197dda6c
parent807fc072991861ff0cd7ac44267ff1dd76ef316e
drm/ttm: check the return value of kzalloc

In the function ttm_page_alloc_init, kzalloc call is made for variable
_manager, we need to check its return value, it may return NULL.

Signed-off-by: Xiongwei Song <sxwjean@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/ttm/ttm_page_alloc.c