amdgpu_bo_kmap() returns error when fails to map buffer object. Add the
error check and propagate the error.
Signed-off-by: Li Zhong <floridsleeves@xxxxxxxxx>
---
drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
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;
}
--
2.25.1
