drm/amdgpu: fix uvd fini mem leak

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c

@@ -253,11 +253,11 @@ int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
 {
 	int r;
 
-	if (adev->uvd.vcpu_bo == NULL)
-		return 0;
+	kfree(adev->uvd.saved_bo);
 
 	amd_sched_entity_fini(&adev->uvd.ring.sched, &adev->uvd.entity);
 
+	if (adev->uvd.vcpu_bo) {
 		r = amdgpu_bo_reserve(adev->uvd.vcpu_bo, false);
 		if (!r) {
 			amdgpu_bo_kunmap(adev->uvd.vcpu_bo);
@@ -266,6 +266,7 @@ int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
 		}
 
 		amdgpu_bo_unref(&adev->uvd.vcpu_bo);
+	}
 
 	amdgpu_ring_fini(&adev->uvd.ring);