diff options
| author | Alex Deucher <[email protected]> | 2024-05-20 09:11:45 -0400 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2024-06-19 12:48:10 -0400 |
| commit | 9717345d38700338203f157fb42f48ea83d7e7d3 (patch) | |
| tree | 8287f9aff52dddcdd0ebb7273d1d726e21a8ecad | |
| parent | a6328c9c3df355daec1935f672e8ec9d9d391b43 (diff) | |
drm/radeon: fix UBSAN warning in kv_dpm.c
Adds bounds check for sumo_vid_mapping_entry.
Reviewed-by: Mario Limonciello <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/radeon/sumo_dpm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c b/drivers/gpu/drm/radeon/sumo_dpm.c index 21d27e6235f3..b11f7c5bbcbe 100644 --- a/drivers/gpu/drm/radeon/sumo_dpm.c +++ b/drivers/gpu/drm/radeon/sumo_dpm.c @@ -1619,6 +1619,8 @@ void sumo_construct_vid_mapping_table(struct radeon_device *rdev, for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) { if (table[i].ulSupportedSCLK != 0) { + if (table[i].usVoltageIndex >= SUMO_MAX_NUMBER_VOLTAGES) + continue; vid_mapping_table->entries[table[i].usVoltageIndex].vid_7bit = table[i].usVoltageID; vid_mapping_table->entries[table[i].usVoltageIndex].vid_2bit = |