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

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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>
This commit is contained in:
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);
/*