diff options
| author | Hawking Zhang <Hawking.Zhang@amd.com> | 2024-01-22 17:38:23 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-01-22 17:13:28 -0500 |
| commit | 9bfb1a538a252cc6764dec1eb3697aac71eaec7f (patch) | |
| tree | 10065b77a1e202b298d925dc4eae22960e3b3809 /drivers/gpu/drm/amd/include | |
| parent | 2866a4549cf434ae8bec1efec439726562d7863c (diff) | |
drm/amdgpu: Fix null pointer dereference
amdgpu_reg_state_sysfs_fini could be invoked at the
time when asic_func is even not initialized, i.e.,
amdgpu_discovery_init fails for some reason.
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/include')
| -rw-r--r-- | drivers/gpu/drm/amd/include/amdgpu_reg_state.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/include/amdgpu_reg_state.h b/drivers/gpu/drm/amd/include/amdgpu_reg_state.h index be519c8edf49..335980e2afbf 100644 --- a/drivers/gpu/drm/amd/include/amdgpu_reg_state.h +++ b/drivers/gpu/drm/amd/include/amdgpu_reg_state.h @@ -138,7 +138,7 @@ static inline size_t amdgpu_reginst_size(uint16_t num_inst, size_t inst_size, } #define amdgpu_asic_get_reg_state_supported(adev) \ - ((adev)->asic_funcs->get_reg_state ? 1 : 0) + (((adev)->asic_funcs && (adev)->asic_funcs->get_reg_state) ? 1 : 0) #define amdgpu_asic_get_reg_state(adev, state, buf, size) \ ((adev)->asic_funcs->get_reg_state ? \ |