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dev: always advertise the new nsid when the netns iface changes 

The user should be able to follow any interface that moves to another
netns.  There is no reason to hide physical interfaces.

CC: Jiri Benc <jbenc@redhat.com>
CC: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reviewed-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Nicolas Dichtel 2018-01-25 15:01:38 +01:00 committed by David S. Miller
parent 6b9e65474b
commit c36ac8e230
1 changed files with 1 additions and 4 deletions
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5
net/core/dev.c
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@ -8529,10 +8529,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
call_netdevice_notifiers(NETDEV_UNREGISTER, dev);
rcu_barrier();
call_netdevice_notifiers(NETDEV_UNREGISTER_FINAL, dev);
if (dev->rtnl_link_ops && dev->rtnl_link_ops->get_link_net)
new_nsid = peernet2id_alloc(dev_net(dev), net);
else
new_nsid = peernet2id(dev_net(dev), net);
new_nsid = peernet2id_alloc(dev_net(dev), net);
rtmsg_ifinfo_newnet(RTM_DELLINK, dev, ~0U, GFP_KERNEL, &new_nsid);
/*