[PATCH 201/459] drm/amdgpu: fix memory leak in preemption unit test

[Christian König]

Can probably be squashed into the original adding of the unit test.

Christian.

Am 17.06.19 um 21:29 schrieb Alex Deucher:
> From: Jack Xiao <Jack.Xiao at amd.com>
>
> It forgot to put job fence, caused fence memory leak.
>
> Signed-off-by: Jack Xiao <Jack.Xiao at amd.com>
> Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
> index 28614dd05f88..4997efa09ce7 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
> @@ -968,10 +968,12 @@ static void amdgpu_ib_preempt_signal_fences(struct dma_fence **fences,
>   static void amdgpu_ib_preempt_job_recovery(struct drm_gpu_scheduler *sched)
>   {
>   	struct drm_sched_job *s_job;
> +	struct dma_fence *fence;
>   
>   	spin_lock(&sched->job_list_lock);
>   	list_for_each_entry(s_job, &sched->ring_mirror_list, node) {
> -		sched->ops->run_job(s_job);
> +		fence = sched->ops->run_job(s_job);
> +		dma_fence_put(fence);
>   	}
>   	spin_unlock(&sched->job_list_lock);
>   }