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authorAlexey Dobriyan <adobriyan@gmail.com>2010-02-16 09:05:04 +0000
committerDavid S. Miller <davem@davemloft.net>2010-02-16 14:55:25 -0800
commitd5aa407f59f5b83d2c50ec88f5bf56d40f1f8978 (patch)
tree664c30873708f0e361e5250835238043200f4b50 /net/ipv4/ipip.c
parentc2892f02712e9516d72841d5c019ed6916329794 (diff)
downloadlinux-d5aa407f59f5b83d2c50ec88f5bf56d40f1f8978.tar.gz
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 <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ipip.c')
-rw-r--r--net/ipv4/ipip.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 95db732e542b..2f302d3ac9a3 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -830,15 +830,14 @@ static int __init ipip_init(void)
 
 	printk(banner);
 
-	if (xfrm4_tunnel_register(&ipip_handler, AF_INET)) {
+	err = register_pernet_device(&ipip_net_ops);
+	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 -EAGAIN;
 	}
-
-	err = register_pernet_device(&ipip_net_ops);
-	if (err)
-		xfrm4_tunnel_deregister(&ipip_handler, AF_INET);
-
 	return err;
 }