Re: [PATCH 2/4] net/virtio: return early when failover primary alread added

["Michael S. Tsirkin" <mst@redhat.com>]

On Thu, Nov 14, 2019 at 03:16:11PM +0100, Jens Freimann wrote:
> Bail out when primary device was already added before.
> This avoids printing a wrong warning message during reboot.
> 
> Fixes: 9711cd0dfc3f ("net/virtio: add failover support")
> Signed-off-by: Jens Freimann <jfreimann@redhat.com>

Reviewed-by: Michael S. Tsirkin <mst@redhat.com>

> ---
>  hw/net/virtio-net.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
> index 946039c0dc..ac4d19109e 100644
> --- a/hw/net/virtio-net.c
> +++ b/hw/net/virtio-net.c
> @@ -759,6 +759,10 @@ static void failover_add_primary(VirtIONet *n, Error **errp)
>  {
>      Error *err = NULL;
>  
> +    if (n->primary_dev) {
> +        return;
> +    }
> +
>      n->primary_device_opts = qemu_opts_find(qemu_find_opts("device"),
>              n->primary_device_id);
>      if (n->primary_device_opts) {
> -- 
> 2.21.0