diff options
| author | Li Zhong <floridsleeves@gmail.com> | 2022-09-21 21:17:56 -0700 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-09-29 09:41:42 -0400 |
| commit | 629c30db7c6812fe82d2dcc0110c9e994a831182 (patch) | |
| tree | 376693896c7e699ffb78def89d7dea3a8d006065 | |
| parent | bb66ecbf122cc5ca52c569f0f84b5d1b2c00f6b9 (diff) | |
drivers/amd/pm: check the return value of amdgpu_bo_kmap
amdgpu_bo_kmap() returns error when fails to map buffer object. Add the
error check and propagate the error.
Reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Li Zhong <floridsleeves@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c index 1eb4e613b27a..ec055858eb95 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c @@ -1485,6 +1485,7 @@ static int pp_get_prv_buffer_details(void *handle, void **addr, size_t *size) { struct pp_hwmgr *hwmgr = handle; struct amdgpu_device *adev = hwmgr->adev; + int err; if (!addr || !size) return -EINVAL; @@ -1492,7 +1493,9 @@ static int pp_get_prv_buffer_details(void *handle, void **addr, size_t *size) *addr = NULL; *size = 0; if (adev->pm.smu_prv_buffer) { - amdgpu_bo_kmap(adev->pm.smu_prv_buffer, addr); + err = amdgpu_bo_kmap(adev->pm.smu_prv_buffer, addr); + if (err) + return err; *size = adev->pm.smu_prv_buffer_size; } |