[PATCH] drm/amdgpu: release parent fence reference

[Grazvydas Ignotas]

It's done in amd_sched_hw_job_reset(), but not in normal job processing.
Leak reported by CONFIG_SLUB_DEBUG.

Signed-off-by: Grazvydas Ignotas <notasas at gmail.com>
---
 CONFIG_SLUB_DEBUG reports more leaks related to ioctls,
 but I was unable to track them down...

 drivers/gpu/drm/amd/scheduler/gpu_scheduler.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c 
b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
index 910b8d5..cfb686e 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
@@ -522,6 +522,8 @@ static void amd_sched_process_job(struct fence *f, struct 
fence_cb *cb)

        trace_amd_sched_process_job(s_fence);
        fence_put(&s_fence->finished);
+       fence_put(s_fence->parent);
+       s_fence->parent = NULL;
        wake_up_interruptible(&sched->wake_up_worker);
 }

-- 
2.7.4