22 files changed, 84 insertions, 47 deletions

diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig
index deb4101a2a81..79682efb14be 100644
--- a/net/ipv6/Kconfig
+++ b/net/ipv6/Kconfig
@@ -156,6 +156,7 @@ config INET6_XFRM_MODE_ROUTEOPTIMIZATION
 config IPV6_SIT
 	tristate "IPv6: IPv6-in-IPv4 tunnel (SIT driver)"
 	depends on IPV6
+	select INET_TUNNEL
 	default y
 	---help---
 	  Tunneling means encapsulating data of one protocol type within
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index ea0755b09033..569a37d698f7 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -44,7 +44,6 @@
 #include <linux/types.h>
 #include <linux/socket.h>
 #include <linux/sockios.h>
-#include <linux/sched.h>
 #include <linux/net.h>
 #include <linux/in6.h>
 #include <linux/netdevice.h>
@@ -3999,7 +3998,6 @@ static void addrconf_sysctl_register(struct inet6_dev *idev, struct ipv6_devconf
 		return;
 	for (i=0; t->addrconf_vars[i].data; i++) {
 		t->addrconf_vars[i].data += (char*)p - (char*)&ipv6_devconf;
-		t->addrconf_vars[i].de = NULL;
 		t->addrconf_vars[i].extra1 = idev; /* embedded; no ref */
 	}
 	if (dev) {
@@ -4022,15 +4020,11 @@ static void addrconf_sysctl_register(struct inet6_dev *idev, struct ipv6_devconf
 	t->addrconf_dev[0].procname = dev_name;
 
 	t->addrconf_dev[0].child = t->addrconf_vars;
-	t->addrconf_dev[0].de = NULL;
 	t->addrconf_conf_dir[0].child = t->addrconf_dev;
-	t->addrconf_conf_dir[0].de = NULL;
 	t->addrconf_proto_dir[0].child = t->addrconf_conf_dir;
-	t->addrconf_proto_dir[0].de = NULL;
 	t->addrconf_root_dir[0].child = t->addrconf_proto_dir;
-	t->addrconf_root_dir[0].de = NULL;
 
-	t->sysctl_header = register_sysctl_table(t->addrconf_root_dir, 0);
+	t->sysctl_header = register_sysctl_table(t->addrconf_root_dir);
 	if (t->sysctl_header == NULL)
 		goto free_procname;
 	else
@@ -4115,7 +4109,7 @@ int __init addrconf_init(void)
 	rtnetlink_links[PF_INET6] = inet6_rtnetlink_table;
 #ifdef CONFIG_SYSCTL
 	addrconf_sysctl.sysctl_header =
-		register_sysctl_table(addrconf_sysctl.addrconf_root_dir, 0);
+		register_sysctl_table(addrconf_sysctl.addrconf_root_dir);
 	addrconf_sysctl_register(NULL, &ipv6_devconf_dflt);
 #endif
 
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index a006d242be76..3585d8fa7f02 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -28,7 +28,6 @@
 #include <linux/socket.h>
 #include <linux/in.h>
 #include <linux/kernel.h>
-#include <linux/sched.h>
 #include <linux/timer.h>
 #include <linux/string.h>
 #include <linux/sockios.h>
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index 6fb2e9d716c0..e5ef5979ade4 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -21,7 +21,6 @@
 #include <linux/string.h>
 #include <linux/socket.h>
 #include <linux/sockios.h>
-#include <linux/sched.h>
 #include <linux/net.h>
 #include <linux/in6.h>
 #include <linux/netdevice.h>
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 5f54dec3e205..3b4e8dcf4c86 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -17,7 +17,6 @@
 #include <linux/errno.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
-#include <linux/sched.h>
 #include <linux/interrupt.h>
 #include <linux/socket.h>
 #include <linux/sockios.h>
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 08313efc48c8..28e0c6568272 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -27,7 +27,6 @@
 #include <linux/types.h>
 #include <linux/socket.h>
 #include <linux/sockios.h>
-#include <linux/sched.h>
 #include <linux/net.h>
 #include <linux/netdevice.h>
 #include <linux/in6.h>
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 9377fea02682..edfe98bf64c3 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -37,7 +37,6 @@
 #include <linux/socket.h>
 #include <linux/in.h>
 #include <linux/kernel.h>
-#include <linux/sched.h>
 #include <linux/sockios.h>
 #include <linux/net.h>
 #include <linux/skbuff.h>
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index 30b16da739c2..ae6b0e7eb488 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -172,7 +172,7 @@ static int __inet6_check_established(struct inet_timewait_death_row *death_row,
 	const struct in6_addr *saddr = &np->daddr;
 	const int dif = sk->sk_bound_dev_if;
 	const __portpair ports = INET_COMBINED_PORTS(inet->dport, lport);
-	const unsigned int hash = inet6_ehashfn(daddr, inet->num, saddr,
+	const unsigned int hash = inet6_ehashfn(daddr, lport, saddr,
 						inet->dport);
 	struct inet_ehash_bucket *head = inet_ehash_bucket(hinfo, hash);
 	struct sock *sk2;
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 4fdded0e545a..11bfc7c43182 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -25,7 +25,6 @@
 #include <linux/types.h>
 #include <linux/socket.h>
 #include <linux/sockios.h>
-#include <linux/sched.h>
 #include <linux/net.h>
 #include <linux/netdevice.h>
 #include <linux/in6.h>
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 367b74832986..662edb826899 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1128,7 +1128,7 @@ static int __init ip6_tunnel_init(void)
 {
 	int  err;
 
-	if (xfrm6_tunnel_register(&ip6ip6_handler)) {
+	if (xfrm6_tunnel_register(&ip6ip6_handler, AF_INET6)) {
 		printk(KERN_ERR "ip6ip6 init: can't register tunnel\n");
 		return -EAGAIN;
 	}
@@ -1147,7 +1147,7 @@ static int __init ip6_tunnel_init(void)
 	}
 	return 0;
 fail:
-	xfrm6_tunnel_deregister(&ip6ip6_handler);
+	xfrm6_tunnel_deregister(&ip6ip6_handler, AF_INET6);
 	return err;
 }
 
@@ -1171,7 +1171,7 @@ static void __exit ip6ip6_destroy_tunnels(void)
 
 static void __exit ip6_tunnel_cleanup(void)
 {
-	if (xfrm6_tunnel_deregister(&ip6ip6_handler))
+	if (xfrm6_tunnel_deregister(&ip6ip6_handler, AF_INET6))
 		printk(KERN_INFO "ip6ip6 close: can't deregister tunnel\n");
 
 	rtnl_lock();
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 3f1e779ea5c5..286c86735aed 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -31,7 +31,6 @@
 #include <linux/types.h>
 #include <linux/socket.h>
 #include <linux/sockios.h>
-#include <linux/sched.h>
 #include <linux/net.h>
 #include <linux/in6.h>
 #include <linux/netdevice.h>
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 58847d3b61e5..fdb30a5916e5 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -683,7 +683,7 @@ static int __init ip6_queue_init(void)
 	}
 
 	register_netdevice_notifier(&ipq_dev_notifier);
-	ipq_sysctl_header = register_sysctl_table(ipq_root_table, 0);
+	ipq_sysctl_header = register_sysctl_table(ipq_root_table);
 
 	status = nf_register_queue_handler(PF_INET6, &nfqh);
 	if (status < 0) {
diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index 19bdb7cb8ff3..21f19cc719f3 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -17,7 +17,6 @@
  */
 
 #include <linux/types.h>
-#include <linux/sched.h>
 #include <linux/timer.h>
 #include <linux/module.h>
 #include <linux/netfilter.h>
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index c82257dd04b6..fa3fb509f187 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -17,7 +17,6 @@
  *		as published by the Free Software Foundation; either version
  *		2 of the License, or (at your option) any later version.
  */
-#include <linux/sched.h>
 #include <linux/socket.h>
 #include <linux/net.h>
 #include <linux/ipv6.h>
diff --git a/net/ipv6/protocol.c b/net/ipv6/protocol.c
index ad0410c99675..ef43bd57baed 100644
--- a/net/ipv6/protocol.c
+++ b/net/ipv6/protocol.c
@@ -27,7 +27,6 @@
 #include <linux/types.h>
 #include <linux/socket.h>
 #include <linux/sockios.h>
-#include <linux/sched.h>
 #include <linux/net.h>
 #include <linux/in6.h>
 #include <linux/netdevice.h>
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 1f8f6275a7e4..306d5d83c068 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -24,7 +24,6 @@
 #include <linux/types.h>
 #include <linux/socket.h>
 #include <linux/sockios.h>
-#include <linux/sched.h>
 #include <linux/net.h>
 #include <linux/in6.h>
 #include <linux/netdevice.h>
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 4d3cf301e1fc..08d6ed3396e4 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -24,7 +24,6 @@
 #include <linux/types.h>
 #include <linux/socket.h>
 #include <linux/sockios.h>
-#include <linux/sched.h>
 #include <linux/net.h>
 #include <linux/in6.h>
 #include <linux/netdevice.h>
@@ -216,7 +215,7 @@ static void ipip6_tunnel_uninit(struct net_device *dev)
 }
 
 
-static void ipip6_err(struct sk_buff *skb, u32 info)
+static int ipip6_err(struct sk_buff *skb, u32 info)
 {
 #ifndef I_WISH_WORLD_WERE_PERFECT
 
@@ -228,21 +227,22 @@ static void ipip6_err(struct sk_buff *skb, u32 info)
 	int type = skb->h.icmph->type;
 	int code = skb->h.icmph->code;
 	struct ip_tunnel *t;
+	int err;
 
 	switch (type) {
 	default:
 	case ICMP_PARAMETERPROB:
-		return;
+		return 0;
 
 	case ICMP_DEST_UNREACH:
 		switch (code) {
 		case ICMP_SR_FAILED:
 		case ICMP_PORT_UNREACH:
 			/* Impossible event. */
-			return;
+			return 0;
 		case ICMP_FRAG_NEEDED:
 			/* Soft state for pmtu is maintained by IP core. */
-			return;
+			return 0;
 		default:
 			/* All others are translated to HOST_UNREACH.
 			   rfc2003 contains "deep thoughts" about NET_UNREACH,
@@ -253,14 +253,18 @@ static void ipip6_err(struct sk_buff *skb, u32 info)
 		break;
 	case ICMP_TIME_EXCEEDED:
 		if (code != ICMP_EXC_TTL)
-			return;
+			return 0;
 		break;
 	}
 
+	err = -ENOENT;
+
 	read_lock(&ipip6_lock);
 	t = ipip6_tunnel_lookup(iph->daddr, iph->saddr);
 	if (t == NULL || t->parms.iph.daddr == 0)
 		goto out;
+
+	err = 0;
 	if (t->parms.iph.ttl == 0 && type == ICMP_TIME_EXCEEDED)
 		goto out;
 
@@ -271,7 +275,7 @@ static void ipip6_err(struct sk_buff *skb, u32 info)
 	t->err_time = jiffies;
 out:
 	read_unlock(&ipip6_lock);
-	return;
+	return err;
 #else
 	struct iphdr *iph = (struct iphdr*)dp;
 	int hlen = iph->ihl<<2;
@@ -332,7 +336,7 @@ out:
 	/* Prepare fake skb to feed it to icmpv6_send */
 	skb2 = skb_clone(skb, GFP_ATOMIC);
 	if (skb2 == NULL)
-		return;
+		return 0;
 	dst_release(skb2->dst);
 	skb2->dst = NULL;
 	skb_pull(skb2, skb->data - (u8*)iph6);
@@ -355,7 +359,7 @@ out:
 		}
 	}
 	kfree_skb(skb2);
-	return;
+	return 0;
 #endif
 }
 
@@ -791,9 +795,10 @@ static int __init ipip6_fb_tunnel_init(struct net_device *dev)
 	return 0;
 }
 
-static struct net_protocol sit_protocol = {
+static struct xfrm_tunnel sit_handler = {
 	.handler	=	ipip6_rcv,
 	.err_handler	=	ipip6_err,
+	.priority	=	1,
 };
 
 static void __exit sit_destroy_tunnels(void)
@@ -812,7 +817,7 @@ static void __exit sit_destroy_tunnels(void)
 
 static void __exit sit_cleanup(void)
 {
-	inet_del_protocol(&sit_protocol, IPPROTO_IPV6);
+	xfrm4_tunnel_deregister(&sit_handler, AF_INET6);
 
 	rtnl_lock();
 	sit_destroy_tunnels();
@@ -826,7 +831,7 @@ static int __init sit_init(void)
 
 	printk(KERN_INFO "IPv6 over IPv4 tunneling driver\n");
 
-	if (inet_add_protocol(&sit_protocol, IPPROTO_IPV6) < 0) {
+	if (xfrm4_tunnel_register(&sit_handler, AF_INET6) < 0) {
 		printk(KERN_INFO "sit init: Can't add protocol\n");
 		return -EAGAIN;
 	}
@@ -848,7 +853,7 @@ static int __init sit_init(void)
  err2:
 	free_netdev(ipip6_fb_tunnel_dev);
  err1:
-	inet_del_protocol(&sit_protocol, IPPROTO_IPV6);
+	xfrm4_tunnel_deregister(&sit_handler, AF_INET6);
 	goto out;
 }
 
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index 25e8e7783fee..3fb44277207b 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -107,7 +107,7 @@ static ctl_table ipv6_root_table[] = {
 
 void ipv6_sysctl_register(void)
 {
-	ipv6_sysctl_header = register_sysctl_table(ipv6_root_table, 0);
+	ipv6_sysctl_header = register_sysctl_table(ipv6_root_table);
 }
 
 void ipv6_sysctl_unregister(void)
diff --git a/net/ipv6/tunnel6.c b/net/ipv6/tunnel6.c
index 918d07dd1219..23e2809878ae 100644
--- a/net/ipv6/tunnel6.c
+++ b/net/ipv6/tunnel6.c
@@ -30,9 +30,10 @@
 #include <net/xfrm.h>
 
 static struct xfrm6_tunnel *tunnel6_handlers;
+static struct xfrm6_tunnel *tunnel46_handlers;
 static DEFINE_MUTEX(tunnel6_mutex);
 
-int xfrm6_tunnel_register(struct xfrm6_tunnel *handler)
+int xfrm6_tunnel_register(struct xfrm6_tunnel *handler, unsigned short family)
 {
 	struct xfrm6_tunnel **pprev;
 	int ret = -EEXIST;
@@ -40,7 +41,8 @@ int xfrm6_tunnel_register(struct xfrm6_tunnel *handler)
 
 	mutex_lock(&tunnel6_mutex);
 
-	for (pprev = &tunnel6_handlers; *pprev; pprev = &(*pprev)->next) {
+	for (pprev = (family == AF_INET6) ? &tunnel6_handlers : &tunnel46_handlers;
+	     *pprev; pprev = &(*pprev)->next) {
 		if ((*pprev)->priority > priority)
 			break;
 		if ((*pprev)->priority == priority)
@@ -60,14 +62,15 @@ err:
 
 EXPORT_SYMBOL(xfrm6_tunnel_register);
 
-int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler)
+int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler, unsigned short family)
 {
 	struct xfrm6_tunnel **pprev;
 	int ret = -ENOENT;
 
 	mutex_lock(&tunnel6_mutex);
 
-	for (pprev = &tunnel6_handlers; *pprev; pprev = &(*pprev)->next) {
+	for (pprev = (family == AF_INET6) ? &tunnel6_handlers : &tunnel46_handlers;
+	     *pprev; pprev = &(*pprev)->next) {
 		if (*pprev == handler) {
 			*pprev = handler->next;
 			ret = 0;
@@ -103,6 +106,25 @@ drop:
 	return 0;
 }
 
+static int tunnel46_rcv(struct sk_buff **pskb)
+{
+	struct sk_buff *skb = *pskb;
+	struct xfrm6_tunnel *handler;
+
+	if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
+		goto drop;
+
+	for (handler = tunnel46_handlers; handler; handler = handler->next)
+		if (!handler->handler(skb))
+			return 0;
+
+	icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0, skb->dev);
+
+drop:
+	kfree_skb(skb);
+	return 0;
+}
+
 static void tunnel6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 			int type, int code, int offset, __be32 info)
 {
@@ -119,17 +141,30 @@ static struct inet6_protocol tunnel6_protocol = {
 	.flags          = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
 };
 
+static struct inet6_protocol tunnel46_protocol = {
+	.handler	= tunnel46_rcv,
+	.err_handler	= tunnel6_err,
+	.flags          = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
+};
+
 static int __init tunnel6_init(void)
 {
 	if (inet6_add_protocol(&tunnel6_protocol, IPPROTO_IPV6)) {
 		printk(KERN_ERR "tunnel6 init(): can't add protocol\n");
 		return -EAGAIN;
 	}
+	if (inet6_add_protocol(&tunnel46_protocol, IPPROTO_IPIP)) {
+		printk(KERN_ERR "tunnel6 init(): can't add protocol\n");
+		inet6_del_protocol(&tunnel6_protocol, IPPROTO_IPV6);
+		return -EAGAIN;
+	}
 	return 0;
 }
 
 static void __exit tunnel6_fini(void)
 {
+	if (inet6_del_protocol(&tunnel46_protocol, IPPROTO_IPIP))
+		printk(KERN_ERR "tunnel6 close: can't remove protocol\n");
 	if (inet6_del_protocol(&tunnel6_protocol, IPPROTO_IPV6))
 		printk(KERN_ERR "tunnel6 close: can't remove protocol\n");
 }
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index ccf2f4d196be..0ad471909881 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -27,7 +27,6 @@
 #include <linux/types.h>
 #include <linux/socket.h>
 #include <linux/sockios.h>
-#include <linux/sched.h>
 #include <linux/net.h>
 #include <linux/in6.h>
 #include <linux/netdevice.h>
diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c
index 25250147bdc3..31f651f95096 100644
--- a/net/ipv6/xfrm6_input.c
+++ b/net/ipv6/xfrm6_input.c
@@ -40,7 +40,8 @@ int xfrm6_rcv_spi(struct sk_buff *skb, __be32 spi)
 		if (xfrm_nr == XFRM_MAX_DEPTH)
 			goto drop;
 
-		x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, spi, nexthdr, AF_INET6);
+		x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, spi,
+				nexthdr != IPPROTO_IPIP ? nexthdr : IPPROTO_IPV6, AF_INET6);
 		if (x == NULL)
 			goto drop;
 		spin_lock(&x->lock);
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index fb0228772f01..ee4b84a33ff4 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -339,17 +339,29 @@ static struct xfrm6_tunnel xfrm6_tunnel_handler = {
 	.priority	= 2,
 };
 
+static struct xfrm6_tunnel xfrm46_tunnel_handler = {
+	.handler	= xfrm6_tunnel_rcv,
+	.err_handler	= xfrm6_tunnel_err,
+	.priority	= 2,
+};
+
 static int __init xfrm6_tunnel_init(void)
 {
 	if (xfrm_register_type(&xfrm6_tunnel_type, AF_INET6) < 0)
 		return -EAGAIN;
 
-	if (xfrm6_tunnel_register(&xfrm6_tunnel_handler)) {
+	if (xfrm6_tunnel_register(&xfrm6_tunnel_handler, AF_INET6)) {
+		xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6);
+		return -EAGAIN;
+	}
+	if (xfrm6_tunnel_register(&xfrm46_tunnel_handler, AF_INET)) {
+		xfrm6_tunnel_deregister(&xfrm6_tunnel_handler, AF_INET6);
 		xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6);
 		return -EAGAIN;
 	}
 	if (xfrm6_tunnel_spi_init() < 0) {
-		xfrm6_tunnel_deregister(&xfrm6_tunnel_handler);
+		xfrm6_tunnel_deregister(&xfrm46_tunnel_handler, AF_INET);
+		xfrm6_tunnel_deregister(&xfrm6_tunnel_handler, AF_INET6);
 		xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6);
 		return -EAGAIN;
 	}
@@ -359,7 +371,8 @@ static int __init xfrm6_tunnel_init(void)
 static void __exit xfrm6_tunnel_fini(void)
 {
 	xfrm6_tunnel_spi_fini();
-	xfrm6_tunnel_deregister(&xfrm6_tunnel_handler);
+	xfrm6_tunnel_deregister(&xfrm46_tunnel_handler, AF_INET);
+	xfrm6_tunnel_deregister(&xfrm6_tunnel_handler, AF_INET6);
 	xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6);
 }