netdev - Re: [PATCH net 1/1] driver: ipvlan: Unlink the upper dev when ipvlan_link

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Date:   Wed, 7 Dec 2016 17:39:13 -0800
From:   Mahesh Bandewar (महेश बंडेवार) 
        <maheshb@...gle.com>
To:     fgao@...ai8.com
Cc:     David Miller <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        linux-netdev <netdev@...r.kernel.org>, gfree.wind@...il.com
Subject: Re: [PATCH net 1/1] driver: ipvlan: Unlink the upper dev when
 ipvlan_link_new failed

On Wed, Dec 7, 2016 at 5:21 PM,  <fgao@...ai8.com> wrote:
> From: Gao Feng <fgao@...ai8.com>
>
> When netdev_upper_dev_unlink failed in ipvlan_link_new, need to
> unlink the ipvlan dev with upper dev.
>
> Signed-off-by: Gao Feng <fgao@...ai8.com>
> ---
>  drivers/net/ipvlan/ipvlan_main.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
> index 0fef178..189adbc 100644
> --- a/drivers/net/ipvlan/ipvlan_main.c
> +++ b/drivers/net/ipvlan/ipvlan_main.c
> @@ -546,13 +546,15 @@ static int ipvlan_link_new(struct net *src_net, struct net_device *dev,
>         }
>         err = ipvlan_set_port_mode(port, mode);
>         if (err) {
> -               goto unregister_netdev;
> +               goto dev_unlink;
>         }
>
>         list_add_tail_rcu(&ipvlan->pnode, &port->ipvlans);
>         netif_stacked_transfer_operstate(phy_dev, dev);
>         return 0;
>
> +dev_unlink:
probably 'unlink_netdev' label inline with other labels used. thanks
> +       netdev_upper_dev_unlink(phy_dev, dev);
>  unregister_netdev:
>         unregister_netdevice(dev);
>  destroy_ipvlan_port:
> --
> 1.9.1
>
>