diff options
author | Tim Huang <tim.huang@amd.com> | 2024-08-07 11:15:12 +0200 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2024-08-21 04:14:14 +0200 |
commit | 186fb12e7a7b038c2710ceb2fb74068f1b5d55a4 (patch) | |
tree | 4e401db078a69746db78af10301d970214e6c50a /drivers/gpu/drm/amd/pm | |
parent | drm/amd/amdgpu: allow use kiq to do hdp flush under sriov (diff) | |
download | linux-186fb12e7a7b038c2710ceb2fb74068f1b5d55a4.tar.xz linux-186fb12e7a7b038c2710ceb2fb74068f1b5d55a4.zip |
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 <tim.huang@amd.com>
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm')
-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))) |