From d5aa407f59f5b83d2c50ec88f5bf56d40f1f8978 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Tue, 16 Feb 2010 09:05:04 +0000 Subject: tunnels: fix netns vs proto registration ordering 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 Signed-off-by: David S. Miller --- net/ipv6/ip6_tunnel.c | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-) (limited to 'net/ipv6/ip6_tunnel.c') diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index fbd786981aa9..9b02492d8706 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1461,27 +1461,29 @@ static int __init ip6_tunnel_init(void) { int err; - if (xfrm6_tunnel_register(&ip4ip6_handler, AF_INET)) { + err = register_pernet_device(&ip6_tnl_net_ops); + if (err < 0) + goto out_pernet; + + err = xfrm6_tunnel_register(&ip4ip6_handler, AF_INET); + if (err < 0) { printk(KERN_ERR "ip6_tunnel init: can't register ip4ip6\n"); - err = -EAGAIN; - goto out; + goto out_ip4ip6; } - if (xfrm6_tunnel_register(&ip6ip6_handler, AF_INET6)) { + err = xfrm6_tunnel_register(&ip6ip6_handler, AF_INET6); + if (err < 0) { printk(KERN_ERR "ip6_tunnel init: can't register ip6ip6\n"); - err = -EAGAIN; - goto unreg_ip4ip6; + goto out_ip6ip6; } - err = register_pernet_device(&ip6_tnl_net_ops); - if (err < 0) - goto err_pernet; return 0; -err_pernet: - xfrm6_tunnel_deregister(&ip6ip6_handler, AF_INET6); -unreg_ip4ip6: + +out_ip6ip6: xfrm6_tunnel_deregister(&ip4ip6_handler, AF_INET); -out: +out_ip4ip6: + unregister_pernet_device(&ip6_tnl_net_ops); +out_pernet: return err; } -- cgit v1.2.1