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| author | Alex Hung <alex.hung@amd.com> | 2024-04-22 22:52:27 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-04-27 00:22:44 +0300 |
| commit | 1357b2165d9ad94faa4c4a20d5e2ce29c2ff29c3 (patch) | |
| tree | ff642d0028ca4ea134b9d62cc10a46f64782c3dd /drivers/gpu/drm/amd/display/dc | |
| parent | 5396a70e8cf462ec5ccf2dc8de103c79de9489e6 (diff) | |
| download | linux-1357b2165d9ad94faa4c4a20d5e2ce29c2ff29c3.tar.xz | |
drm/amd/display: Skip finding free audio for unknown engine_id
[WHY]
ENGINE_ID_UNKNOWN = -1 and can not be used as an array index. Plus, it
also means it is uninitialized and does not need free audio.
[HOW]
Skip and return NULL.
This fixes 2 OVERRUN issues reported by Coverity.
Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Acked-by: Wayne Lin <wayne.lin@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')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index 876b0e5eda95..25b5e41648c4 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -3187,6 +3187,9 @@ static struct audio *find_first_free_audio( { int i, available_audio_count; + if (id == ENGINE_ID_UNKNOWN) + return NULL; + available_audio_count = pool->audio_count; for (i = 0; i < available_audio_count; i++) { |