Commit 629c30db authored by Li Zhong's avatar Li Zhong Committed by Alex Deucher
Browse files

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: default avatarEvan Quan <evan.quan@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarLi Zhong <floridsleeves@gmail.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent bb66ecbf

drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c

+4 −1
Original line number Diff line number Diff line
@@ -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;

	}