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net: ip6_tunnel: Unregister catch-all devices
commit 941ea91e87a6e879ed82dad4949f6234f2702bec upstream.
Similarly to the sit case, we need to remove the tunnels with no
addresses that have been moved to another network namespace.
Fixes: 0bd8762824
("ip6tnl: add x-netns support")
Signed-off-by: Hristo Venev <hristo@venev.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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parent
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@ -2217,6 +2217,16 @@ static void __net_exit ip6_tnl_destroy_tunnels(struct net *net, struct list_head
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t = rtnl_dereference(t->next);
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}
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}
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t = rtnl_dereference(ip6n->tnls_wc[0]);
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while (t) {
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/* If dev is in the same netns, it has already
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* been added to the list by the previous loop.
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*/
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if (!net_eq(dev_net(t->dev), net))
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unregister_netdevice_queue(t->dev, list);
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t = rtnl_dereference(t->next);
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}
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}
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static int __net_init ip6_tnl_init_net(struct net *net)
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