We are observing a NULL value in the non userq fences,
thus added a NULL pointer check just to avoid the
NULL pointer dereference crash.
Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c
index 6157a540c929..482346333a89 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c
@@ -821,6 +821,9 @@ int amdgpu_userq_wait_ioctl(struct drm_device *dev, void *data,
* Just waiting on other driver fences should
* be good for now
*/
+ if (fences[i])
+ continue;
+
r = dma_fence_wait(fences[i], true);
if (r) {
dma_fence_put(fences[i]);
--
2.25.1
