diff options
author | Tim Huang <[email protected]> | 2024-08-07 17:15:12 +0800 |
---|---|---|
committer | Alex Deucher <[email protected]> | 2024-08-20 22:14:14 -0400 |
commit | 186fb12e7a7b038c2710ceb2fb74068f1b5d55a4 (patch) | |
tree | 4e401db078a69746db78af10301d970214e6c50a | |
parent | bf2bc61638033d118c9ef4ab1204295ba6694401 (diff) |
drm/amd/pm: ensure the fw_info is not null before using it
This resolves the dereference null return value warning
reported by Coverity.
Signed-off-by: Tim Huang <[email protected]>
Reviewed-by: Jesse Zhang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
-rw-r--r-- | drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c index ca1c7ae8d146..f06b29e33ba4 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c @@ -1183,6 +1183,8 @@ static int init_overdrive_limits(struct pp_hwmgr *hwmgr, fw_info = smu_atom_get_data_table(hwmgr->adev, GetIndexIntoMasterTable(DATA, FirmwareInfo), &size, &frev, &crev); + PP_ASSERT_WITH_CODE(fw_info != NULL, + "Missing firmware info!", return -EINVAL); if ((fw_info->ucTableFormatRevision == 1) && (le16_to_cpu(fw_info->usStructureSize) >= sizeof(ATOM_FIRMWARE_INFO_V1_4))) |