Commit 9ff2e14c authored by Bob Zhou's avatar Bob Zhou Committed by Alex Deucher
Browse files

drm/amdgpu: add missing error handling in function amdgpu_gmc_flush_gpu_tlb_pasid 



Fix the unchecked return value warning reported by Coverity,
so add error handling.

Signed-off-by: default avatarBob Zhou <bob.zhou@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 94534f41

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

+5 −1
Original line number Diff line number Diff line
@@ -718,7 +718,11 @@ int amdgpu_gmc_flush_gpu_tlb_pasid(struct amdgpu_device *adev, uint16_t pasid, 
			ndw += kiq->pmf->invalidate_tlbs_size;



		spin_lock(&adev->gfx.kiq[inst].ring_lock);

		amdgpu_ring_alloc(ring, ndw);

		r = amdgpu_ring_alloc(ring, ndw);

		if (r) {

			spin_unlock(&adev->gfx.kiq[inst].ring_lock);

			goto error_unlock_reset;

		}

		if (adev->gmc.flush_tlb_needs_extra_type_2)

			kiq->pmf->kiq_invalidate_tlbs(ring, pasid, 2, all_hub);