Am 09.11.2017 um 08:59 schrieb Emily Deng:
The array[first] may be null when the fence has already been signaled.
BUG: SWDEV-136239
Signed-off-by: Emily Deng <emily.d...@amd.com>
Reviewed-by: Christian König <christian.koe...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 354c874..182df08 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -1502,8 +1502,11 @@ static int amdgpu_cs_wait_any_fence(struct amdgpu_device
*adev,
memset(wait, 0, sizeof(*wait));
wait->out.status = (r > 0);
wait->out.first_signaled = first;
- /* set return value 0 to indicate success */
- r = array[first]->error;
+
+ if (array[first])
+ r = array[first]->error;
+ else
+ r = 0;
err_free_fence_array:
for (i = 0; i < fence_count; i++)
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