check ring allocate success before emit preempt ib
Signed-off-by: Jesse Zhang <Jesse.Zhang@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c
index 0b5af1c50461..7db53a96cff0 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c
@@ -1347,7 +1347,11 @@ static int sdma_v7_0_ring_preempt_ib(struct amdgpu_ring *ring)
/* emit the trailing fence */
ring->trail_seq += 1;
- amdgpu_ring_alloc(ring, 10);
+ r = amdgpu_ring_alloc(ring, 10);
+ if (r) {
+ DRM_ERROR("ring %d failed to be allocated \n", ring->idx);
+ return r;
+ }
sdma_v7_0_ring_emit_fence(ring, ring->trail_fence_gpu_addr,
ring->trail_seq, 0);
amdgpu_ring_commit(ring);
--
2.25.1
