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>
diff --git a/net/core/dev.c b/net/core/dev.c
index 4670cca..59987eb 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -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);
/*