mirror of
https://github.com/torvalds/linux
synced 2024-10-06 19:34:19 +00:00
drm/amdgpu: fix UBSAN warning in kv_dpm.c
Adds bounds check for sumo_vid_mapping_entry. Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3392 Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
This commit is contained in:
parent
a498df5421
commit
f0d576f840
|
@ -164,6 +164,8 @@ static void sumo_construct_vid_mapping_table(struct amdgpu_device *adev,
|
|||
|
||||
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 =
|
||||
|
|
Loading…
Reference in a new issue