Null pointer dereference check should have been checked,
ahead of below routine.
struct amdgpu_device *adev = hwmgr->adev;
With this commit, it could avoid potential NULL dereference.
Signed-off-by: Austin Kim <austindh.kim@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
static int smu8_start_smu(struct pp_hwmgr *hwmgr)
{
- struct amdgpu_device *adev = hwmgr->adev;
+ struct amdgpu_device *adev;
uint32_t index = SMN_MP1_SRAM_START_ADDR +
SMU8_FIRMWARE_HEADER_LOCATION +
offsetof(struct SMU8_Firmware_Header, Version);
-
if (hwmgr == NULL || hwmgr->device == NULL)
return -EINVAL;
+ adev = hwmgr->adev;
+
cgs_write_register(hwmgr->device, mmMP0PUB_IND_INDEX, index);
hwmgr->smu_version = cgs_read_register(hwmgr->device, mmMP0PUB_IND_DATA);
pr_info("smu version %02d.%02d.%02d\n",