diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 1c3a560..d1697b5 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -59,9 +59,11 @@
 extern int			addrconf_del_ifaddr(void __user *arg);
 extern int			addrconf_set_dstaddr(void __user *arg);
 
-extern int			ipv6_chk_addr(struct in6_addr *addr,
+extern int			ipv6_chk_addr(struct net *net,
+					      struct in6_addr *addr,
 					      struct net_device *dev,
 					      int strict);
+
 #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
 extern int			ipv6_chk_home_addr(struct in6_addr *addr);
 #endif
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index d7b4403..f35c3df 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1206,13 +1206,16 @@
 	return cnt;
 }
 
-int ipv6_chk_addr(struct in6_addr *addr, struct net_device *dev, int strict)
+int ipv6_chk_addr(struct net *net, struct in6_addr *addr,
+		  struct net_device *dev, int strict)
 {
 	struct inet6_ifaddr * ifp;
 	u8 hash = ipv6_addr_hash(addr);
 
 	read_lock_bh(&addrconf_hash_lock);
 	for(ifp = inet6_addr_lst[hash]; ifp; ifp=ifp->lst_next) {
+		if (ifp->idev->dev->nd_net != net)
+			continue;
 		if (ipv6_addr_equal(&ifp->addr, addr) &&
 		    !(ifp->flags&IFA_F_TENTATIVE)) {
 			if (dev == NULL || ifp->idev->dev == dev ||
@@ -1223,7 +1226,6 @@
 	read_unlock_bh(&addrconf_hash_lock);
 	return ifp != NULL;
 }
-
 EXPORT_SYMBOL(ipv6_chk_addr);
 
 static
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index ac8772d..3150c4b 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -314,7 +314,8 @@
 			 */
 			v4addr = LOOPBACK4_IPV6;
 			if (!(addr_type & IPV6_ADDR_MULTICAST))	{
-				if (!ipv6_chk_addr(&addr->sin6_addr, dev, 0)) {
+				if (!ipv6_chk_addr(&init_net, &addr->sin6_addr,
+						   dev, 0)) {
 					if (dev)
 						dev_put(dev);
 					err = -EADDRNOTAVAIL;
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index 5c419006..9c7f83f 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -89,7 +89,7 @@
 		return -EPERM;
 	if (ipv6_addr_is_multicast(addr))
 		return -EINVAL;
-	if (ipv6_chk_addr(addr, NULL, 0))
+	if (ipv6_chk_addr(&init_net, addr, NULL, 0))
 		return -EINVAL;
 
 	pac = sock_kmalloc(sk, sizeof(struct ipv6_ac_socklist), GFP_KERNEL);
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index f49a06a..94fa6ae 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -549,7 +549,8 @@
 						return -ENODEV;
 				}
 			}
-			if (!ipv6_chk_addr(&src_info->ipi6_addr, dev, 0)) {
+			if (!ipv6_chk_addr(&init_net, &src_info->ipi6_addr,
+					   dev, 0)) {
 				if (dev)
 					dev_put(dev);
 				err = -EINVAL;
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 5395afe..cbb5b9c 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -332,7 +332,7 @@
 	 */
 	addr_type = ipv6_addr_type(&hdr->daddr);
 
-	if (ipv6_chk_addr(&hdr->daddr, skb->dev, 0))
+	if (ipv6_chk_addr(&init_net, &hdr->daddr, skb->dev, 0))
 		saddr = &hdr->daddr;
 
 	/*
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 29b5321..425c9ae 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -653,8 +653,8 @@
 			ldev = dev_get_by_index(&init_net, p->link);
 
 		if ((ipv6_addr_is_multicast(&p->laddr) ||
-		     likely(ipv6_chk_addr(&p->laddr, ldev, 0))) &&
-		    likely(!ipv6_chk_addr(&p->raddr, NULL, 0)))
+		     likely(ipv6_chk_addr(&init_net, &p->laddr, ldev, 0))) &&
+		    likely(!ipv6_chk_addr(&init_net, &p->raddr, NULL, 0)))
 			ret = 1;
 
 		if (ldev)
@@ -788,12 +788,12 @@
 		if (p->link)
 			ldev = dev_get_by_index(&init_net, p->link);
 
-		if (unlikely(!ipv6_chk_addr(&p->laddr, ldev, 0)))
+		if (unlikely(!ipv6_chk_addr(&init_net, &p->laddr, ldev, 0)))
 			printk(KERN_WARNING
 			       "%s xmit: Local address not yet configured!\n",
 			       p->name);
 		else if (!ipv6_addr_is_multicast(&p->raddr) &&
-			 unlikely(ipv6_chk_addr(&p->raddr, NULL, 0)))
+			 unlikely(ipv6_chk_addr(&init_net, &p->raddr, NULL, 0)))
 			printk(KERN_WARNING
 			       "%s xmit: Routing loop! "
 			       "Remote address found on this node!\n",
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index b66a1f8..e217d3f 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -653,7 +653,7 @@
 	struct in6_addr *target = (struct in6_addr *)&neigh->primary_key;
 	int probes = atomic_read(&neigh->probes);
 
-	if (skb && ipv6_chk_addr(&ipv6_hdr(skb)->saddr, dev, 1))
+	if (skb && ipv6_chk_addr(&init_net, &ipv6_hdr(skb)->saddr, dev, 1))
 		saddr = &ipv6_hdr(skb)->saddr;
 
 	if ((probes -= neigh->parms->ucast_probes) < 0) {
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 45a580e..cb0b110 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -298,7 +298,8 @@
 		v4addr = LOOPBACK4_IPV6;
 		if (!(addr_type & IPV6_ADDR_MULTICAST))	{
 			err = -EADDRNOTAVAIL;
-			if (!ipv6_chk_addr(&addr->sin6_addr, dev, 0)) {
+			if (!ipv6_chk_addr(&init_net, &addr->sin6_addr,
+					   dev, 0)) {
 				if (dev)
 					dev_put(dev);
 				goto out;
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index bd04aed..74f106a 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -556,7 +556,7 @@
 	if (!(type & IPV6_ADDR_UNICAST))
 		return 0;
 
-	return ipv6_chk_addr(in6, NULL, 0);
+	return ipv6_chk_addr(&init_net, in6, NULL, 0);
 }
 
 /* This function checks if the address is a valid address to be used for
@@ -858,7 +858,8 @@
 			dev = dev_get_by_index(&init_net, addr->v6.sin6_scope_id);
 			if (!dev)
 				return 0;
-			if (!ipv6_chk_addr(&addr->v6.sin6_addr, dev, 0)) {
+			if (!ipv6_chk_addr(&init_net, &addr->v6.sin6_addr,
+					   dev, 0)) {
 				dev_put(dev);
 				return 0;
 			}