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-rw-r--r--net/ipv4/ip_gre.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 7631b20..a2a5983 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1665,14 +1665,15 @@ static int __init ipgre_init(void)
printk(KERN_INFO "GRE over IPv4 tunneling driver\n");
- if (inet_add_protocol(&ipgre_protocol, IPPROTO_GRE) < 0) {
- printk(KERN_INFO "ipgre init: can't add protocol\n");
- return -EAGAIN;
- }
-
err = register_pernet_device(&ipgre_net_ops);
if (err < 0)
- goto gen_device_failed;
+ return err;
+
+ err = inet_add_protocol(&ipgre_protocol, IPPROTO_GRE);
+ if (err < 0) {
+ printk(KERN_INFO "ipgre init: can't add protocol\n");
+ goto add_proto_failed;
+ }
err = rtnl_link_register(&ipgre_link_ops);
if (err < 0)
@@ -1688,9 +1689,9 @@ out:
tap_ops_failed:
rtnl_link_unregister(&ipgre_link_ops);
rtnl_link_failed:
- unregister_pernet_device(&ipgre_net_ops);
-gen_device_failed:
inet_del_protocol(&ipgre_protocol, IPPROTO_GRE);
+add_proto_failed:
+ unregister_pernet_device(&ipgre_net_ops);
goto out;
}
@@ -1698,9 +1699,9 @@ static void __exit ipgre_fini(void)
{
rtnl_link_unregister(&ipgre_tap_ops);
rtnl_link_unregister(&ipgre_link_ops);
- unregister_pernet_device(&ipgre_net_ops);
if (inet_del_protocol(&ipgre_protocol, IPPROTO_GRE) < 0)
printk(KERN_INFO "ipgre close: can't remove protocol\n");
+ unregister_pernet_device(&ipgre_net_ops);
}
module_init(ipgre_init);
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