p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

drm/amd/display: Check engine is not NULL before acquiring 

[Why]
Engine can be NULL in some cases, so we must not acquire it.

[How]
Check for NULL engine before acquiring.

Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Aric Cyr 2020-01-21 22:50:13 -05:00 committed by Alex Deucher
parent aad927b5a8
commit 2b63d0ec0d
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/amd/display/dc/dce/dce_aux.c
View File

@ -400,7 +400,7 @@ static bool acquire(
{
enum gpio_result result;
if (!is_engine_available(engine))
if ((engine == NULL) || !is_engine_available(engine))
return false;
result = dal_ddc_open(ddc, GPIO_MODE_HARDWARE,