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rtnl: fix error path when adding an iface with a link net

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If an error occurs when the netdevice is moved to the link netns, a full cleanup
must be done.

Fixes: 317f4810e4 ("rtnl: allow to create device with IFLA_LINK_NETNSID set")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2015-01-20 15:15:42 +01:00 committed by David S. Miller
parent d7924450e1
commit bdef279b99
1 changed files with 4 additions and 1 deletions
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5
net/core/rtnetlink.c
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@ -2172,8 +2172,11 @@ static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh)
goto out;
}
if (link_net)
if (link_net) {
err = dev_change_net_namespace(dev, dest_net, ifname);
if (err < 0)
unregister_netdevice(dev);
}
out:
if (link_net)
put_net(link_net);