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| author | Alex Hung <alex.hung@amd.com> | 2024-06-03 14:27:55 -0600 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-06-19 12:44:47 -0400 |
| commit | 7cf24de30e8ab875abc92a81ff227ab9e5f4282e (patch) | |
| tree | 96efc22fe3b735ceaa0e09be729517b3a1464357 /drivers/gpu/drm/amd/display/dc/dml/dcn32 | |
| parent | 470f3760cfe6dd2ce66cf9159e65876f7eb28792 (diff) | |
| download | lwn-7cf24de30e8ab875abc92a81ff227ab9e5f4282e.tar.gz lwn-7cf24de30e8ab875abc92a81ff227ab9e5f4282e.zip | |
drm/amd/display: Check pipe_ctx before it is used
resource_get_odm_slice_count and resource_get_otg_master_for_stream can
return null, and their returns must be checked before used.
This fixes 4 NULL_RETURNS issues reported by Coverity.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml/dcn32')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c index a63b5dcba3f5..7abf8b88ca91 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c @@ -1177,6 +1177,9 @@ static void init_pipe_slice_table_from_context( stream = context->streams[i]; otg_master = resource_get_otg_master_for_stream( &context->res_ctx, stream); + if (!otg_master) + continue; + count = resource_get_odm_slice_count(otg_master); update_slice_table_for_stream(table, stream, count); |