Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-09-20 06:53:04 +00:00
Code Issues Packages Projects Releases Wiki Activity

drm/amd/display: Check stream before comparing them

Browse Source 
[WHAT & HOW]
amdgpu_dm can pass a null stream to dc_is_stream_unchanged. It is
necessary to check for null before dereferencing them.

This fixes 1 FORWARD_NULL issue reported by Coverity.

Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Jerry Zuo <jerry.zuo@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Hung 2024-06-27 20:05:14 -06:00 committed by Alex Deucher
parent 1ff12bcd7d
commit 35ff747c86
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/amd/display/dc/core/dc_resource.c
View File

@ -3241,6 +3241,8 @@ static bool are_stream_backends_same(
bool dc_is_stream_unchanged(
struct dc_stream_state *old_stream, struct dc_stream_state *stream)
{
if (!old_stream || !stream)
return false;
if (!are_stream_backends_same(old_stream, stream))
return false;