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path: root/net/ipv6/ip6_vti.c
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Diffstat (limited to 'net/ipv6/ip6_vti.c')
-rw-r--r--net/ipv6/ip6_vti.c55
1 files changed, 22 insertions, 33 deletions
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index 9aaa6bb229e4..7f52fd9fa7b0 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -204,7 +204,7 @@ static struct ip6_tnl *vti6_tnl_create(struct net *net, struct __ip6_tnl_parm *p
else
sprintf(name, "ip6_vti%%d");
- dev = alloc_netdev(sizeof(*t), name, vti6_dev_setup);
+ dev = alloc_netdev(sizeof(*t), name, NET_NAME_UNKNOWN, vti6_dev_setup);
if (dev == NULL)
goto failed;
@@ -1020,7 +1020,7 @@ static int __net_init vti6_init_net(struct net *net)
err = -ENOMEM;
ip6n->fb_tnl_dev = alloc_netdev(sizeof(struct ip6_tnl), "ip6_vti0",
- vti6_dev_setup);
+ NET_NAME_UNKNOWN, vti6_dev_setup);
if (!ip6n->fb_tnl_dev)
goto err_alloc_dev;
@@ -1089,36 +1089,26 @@ static struct xfrm6_protocol vti_ipcomp6_protocol __read_mostly = {
**/
static int __init vti6_tunnel_init(void)
{
- int err;
+ const char *msg;
+ int err;
+ msg = "tunnel device";
err = register_pernet_device(&vti6_net_ops);
if (err < 0)
- goto out_pernet;
+ goto pernet_dev_failed;
+ msg = "tunnel protocols";
err = xfrm6_protocol_register(&vti_esp6_protocol, IPPROTO_ESP);
- if (err < 0) {
- pr_err("%s: can't register vti6 protocol\n", __func__);
-
- goto out;
- }
-
+ if (err < 0)
+ goto xfrm_proto_esp_failed;
err = xfrm6_protocol_register(&vti_ah6_protocol, IPPROTO_AH);
- if (err < 0) {
- xfrm6_protocol_deregister(&vti_esp6_protocol, IPPROTO_ESP);
- pr_err("%s: can't register vti6 protocol\n", __func__);
-
- goto out;
- }
-
+ if (err < 0)
+ goto xfrm_proto_ah_failed;
err = xfrm6_protocol_register(&vti_ipcomp6_protocol, IPPROTO_COMP);
- if (err < 0) {
- xfrm6_protocol_deregister(&vti_ah6_protocol, IPPROTO_AH);
- xfrm6_protocol_deregister(&vti_esp6_protocol, IPPROTO_ESP);
- pr_err("%s: can't register vti6 protocol\n", __func__);
-
- goto out;
- }
+ if (err < 0)
+ goto xfrm_proto_comp_failed;
+ msg = "netlink interface";
err = rtnl_link_register(&vti6_link_ops);
if (err < 0)
goto rtnl_link_failed;
@@ -1127,11 +1117,14 @@ static int __init vti6_tunnel_init(void)
rtnl_link_failed:
xfrm6_protocol_deregister(&vti_ipcomp6_protocol, IPPROTO_COMP);
+xfrm_proto_comp_failed:
xfrm6_protocol_deregister(&vti_ah6_protocol, IPPROTO_AH);
+xfrm_proto_ah_failed:
xfrm6_protocol_deregister(&vti_esp6_protocol, IPPROTO_ESP);
-out:
+xfrm_proto_esp_failed:
unregister_pernet_device(&vti6_net_ops);
-out_pernet:
+pernet_dev_failed:
+ pr_err("vti6 init: failed to register %s\n", msg);
return err;
}
@@ -1141,13 +1134,9 @@ out_pernet:
static void __exit vti6_tunnel_cleanup(void)
{
rtnl_link_unregister(&vti6_link_ops);
- if (xfrm6_protocol_deregister(&vti_ipcomp6_protocol, IPPROTO_COMP))
- pr_info("%s: can't deregister protocol\n", __func__);
- if (xfrm6_protocol_deregister(&vti_ah6_protocol, IPPROTO_AH))
- pr_info("%s: can't deregister protocol\n", __func__);
- if (xfrm6_protocol_deregister(&vti_esp6_protocol, IPPROTO_ESP))
- pr_info("%s: can't deregister protocol\n", __func__);
-
+ xfrm6_protocol_deregister(&vti_ipcomp6_protocol, IPPROTO_COMP);
+ xfrm6_protocol_deregister(&vti_ah6_protocol, IPPROTO_AH);
+ xfrm6_protocol_deregister(&vti_esp6_protocol, IPPROTO_ESP);
unregister_pernet_device(&vti6_net_ops);
}