[PATCH 2/2] drm/amdgpu: fix missing dma_fence_put in error path

[Alex Deucher]

On Thu, Jan 5, 2023 at 6:17 AM Christian König
<ckoenig.leichtzumerken at gmail.com> wrote:
>
> When the fence can't be added we need to drop the reference.
>
> Suggested-by: Bert Karwatzki <spasswolf at web.de>
> Signed-off-by: Christian König <christian.koenig at amd.com>

please add:
Cc: stable at vger.kernel.org # 6.1.x
When you push this series.

Alex

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
> index bac7976975bd..dcd8c066bc1f 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
> @@ -391,8 +391,10 @@ int amdgpu_sync_push_to_job(struct amdgpu_sync *sync, struct amdgpu_job *job)
>
>                 dma_fence_get(f);
>                 r = drm_sched_job_add_dependency(&job->base, f);
> -               if (r)
> +               if (r) {
> +                       dma_fence_put(f);
>                         return r;
> +               }
>         }
>         return 0;
>  }
> --
> 2.34.1
>