drm/amd/display: checking for NULL instead of IS_ERR()
authorDan Carpenter <dan.carpenter@oracle.com>
Mon, 6 Nov 2017 11:43:41 +0000 (14:43 +0300)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 7 Nov 2017 21:21:44 +0000 (16:21 -0500)
commit74baea4275ee130c67400b33c532da8999b530af
tree9b38b77184ef992898cc0786859c8796c34bde3f
parent620fd73edfd7297307e0e3ac581e65247c9dd8db
drm/amd/display: checking for NULL instead of IS_ERR()

backlight_device_register() never returns NULL, it returns error
pointers on error so the check here is wrong.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c