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tunnels: fix netns vs proto registration ordering

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Same stuff as in ip_gre patch: receive hook can be called before netns
setup is done, oopsing in net_generic().

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan 2010-02-16 09:05:04 +00:00 • committed by David S. Miller
parent c2892f0271
commit d5aa407f59
4 changed files with 56 additions and 71 deletions
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15
net/ipv4/ipip.c
View file

@ -830,15 +830,14 @@ static int __init ipip_init(void)
printk(banner);
if (xfrm4_tunnel_register(&ipip_handler, AF_INET)) {
printk(KERN_INFO "ipip init: can't register tunnel\n");
return -EAGAIN;
}
err = register_pernet_device(&ipip_net_ops);
if (err)
xfrm4_tunnel_deregister(&ipip_handler, AF_INET);
if (err < 0)
return err;
err = xfrm4_tunnel_register(&ipip_handler, AF_INET);
if (err < 0) {
unregister_pernet_device(&ipip_net_ops);
printk(KERN_INFO "ipip init: can't register tunnel\n");
}
return err;
}