Re: [PATCH vhost v2 19/24] vdpa/mlx5: Forward error in suspend/resume device

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On Wed, Jun 26, 2024 at 12:28 PM Dragos Tatulea <dtatulea@xxxxxxxxxx> wrote:
>
> Start using the suspend/resume_vq() error return codes previously added.
>
> Reviewed-by: Cosmin Ratiu <cratiu@xxxxxxxxxx>
> Reviewed-by: Zhu Yanjun <yanjun.zhu@xxxxxxxxx>
> Signed-off-by: Dragos Tatulea <dtatulea@xxxxxxxxxx>

Reviewed-by: Eugenio Pérez <eperezma@xxxxxxxxxx>

> ---
>  drivers/vdpa/mlx5/net/mlx5_vnet.c | 12 ++++++++----
>  1 file changed, 8 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
> index e65d488f7a08..ce1f6a1f36cd 100644
> --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
> +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
> @@ -3436,22 +3436,25 @@ static int mlx5_vdpa_suspend(struct vdpa_device *vdev)
>  {
>         struct mlx5_vdpa_dev *mvdev = to_mvdev(vdev);
>         struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev);
> +       int err;
>
>         mlx5_vdpa_info(mvdev, "suspending device\n");
>
>         down_write(&ndev->reslock);
>         unregister_link_notifier(ndev);
> -       suspend_vqs(ndev);
> +       err = suspend_vqs(ndev);
>         mlx5_vdpa_cvq_suspend(mvdev);
>         mvdev->suspended = true;
>         up_write(&ndev->reslock);
> -       return 0;
> +
> +       return err;
>  }
>
>  static int mlx5_vdpa_resume(struct vdpa_device *vdev)
>  {
>         struct mlx5_vdpa_dev *mvdev = to_mvdev(vdev);
>         struct mlx5_vdpa_net *ndev;
> +       int err;
>
>         ndev = to_mlx5_vdpa_ndev(mvdev);
>
> @@ -3459,10 +3462,11 @@ static int mlx5_vdpa_resume(struct vdpa_device *vdev)
>
>         down_write(&ndev->reslock);
>         mvdev->suspended = false;
> -       resume_vqs(ndev);
> +       err = resume_vqs(ndev);
>         register_link_notifier(ndev);
>         up_write(&ndev->reslock);
> -       return 0;
> +
> +       return err;
>  }
>
>  static int mlx5_set_group_asid(struct vdpa_device *vdev, u32 group,
>
> --
> 2.45.1
>






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