[PATCH] drm/amdgpu: release parent fence reference

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On 2016å¹´10æ??24æ?¥ 02:31, Grazvydas Ignotas wrote:
> 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);
If I remember correctly, parent was put in sched fence release.

Regards,
David Zhou
> +	s_fence->parent = NULL;
>   	wake_up_interruptible(&sched->wake_up_worker);
>   }
>   



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