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);
 }