Adds bounds check for sumo_vid_mapping_entry.
Signed-off-by: Alex Deucher <[email protected]>
---
drivers/gpu/drm/radeon/sumo_dpm.c | 2 ++
1 file changed, 2 insertions(+)
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 =
--
2.45.1
