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Message-Id: <1392162690-6647-2-git-send-email-xiyou.wangcong@gmail.com> Date: Tue, 11 Feb 2014 15:51:29 -0800 From: Cong Wang <xiyou.wangcong@...il.com> To: netdev@...r.kernel.org Cc: Cong Wang <xiyou.wangcong@...il.com>, Patrick McHardy <kaber@...sh.net>, "David S. Miller" <davem@...emloft.net>, Cong Wang <cwang@...pensource.com> Subject: [PATCH] macvlan: unregister net device when netdev_upper_dev_link() fails From: Cong Wang <cwang@...pensource.com> rtnl_newlink() doesn't unregister it for us on failure. Cc: Patrick McHardy <kaber@...sh.net> Cc: David S. Miller <davem@...emloft.net> Signed-off-by: Cong Wang <xiyou.wangcong@...il.com> Signed-off-by: Cong Wang <cwang@...pensource.com> --- drivers/net/macvlan.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 8433de4..a5d2189 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -879,14 +879,15 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, dev->priv_flags |= IFF_MACVLAN; err = netdev_upper_dev_link(lowerdev, dev); if (err) - goto destroy_port; - + goto unregister_netdev; list_add_tail_rcu(&vlan->list, &port->vlans); netif_stacked_transfer_operstate(lowerdev, dev); return 0; +unregister_netdev: + unregister_netdevice(dev); destroy_port: port->count -= 1; if (!port->count) -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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