On Fri, 27 May 2022 14:01:12 +0800, Jason Wang <jasow...@redhat.com> wrote:
> From: Stefano Garzarella <sgarz...@redhat.com>
>
> It will allow us to do extension on virtio_device_ready() without
> duplicating code.
>
> Cc: Thomas Gleixner <t...@linutronix.de>
> Cc: Peter Zijlstra <pet...@infradead.org>
> Cc: "Paul E. McKenney" <paul...@kernel.org>
> Cc: Marc Zyngier <m...@kernel.org>
> Cc: Halil Pasic <pa...@linux.ibm.com>
> Cc: Cornelia Huck <coh...@redhat.com>
> Cc: Vineeth Vijayan <vnee...@linux.ibm.com>
> Cc: Peter Oberparleiter <ober...@linux.ibm.com>
> Cc: linux-s...@vger.kernel.org
> Reviewed-by: Cornelia Huck <coh...@redhat.com>
> Signed-off-by: Stefano Garzarella <sgarz...@redhat.com>
> Signed-off-by: Jason Wang <jasow...@redhat.com>

Reviewed-by: Xuan Zhuo <xuanz...@linux.alibaba.com>

> ---
>  drivers/virtio/virtio.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
> index ce424c16997d..938e975029d4 100644
> --- a/drivers/virtio/virtio.c
> +++ b/drivers/virtio/virtio.c
> @@ -526,8 +526,9 @@ int virtio_device_restore(struct virtio_device *dev)
>                       goto err;
>       }
>
> -     /* Finally, tell the device we're all set */
> -     virtio_add_status(dev, VIRTIO_CONFIG_S_DRIVER_OK);
> +     /* If restore didn't do it, mark device DRIVER_OK ourselves. */
> +     if (!(dev->config->get_status(dev) & VIRTIO_CONFIG_S_DRIVER_OK))
> +             virtio_device_ready(dev);
>
>       virtio_config_enable(dev);
>
> --
> 2.25.1
>
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