ipv6: missed namespace context in ipv6_rthdr_rcv

Signed-off-by: Denis V. Lunev <den@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv6/exthdrs.c

@@ -445,7 +445,7 @@ looped_back:
 			kfree_skb(skb);
 			return -1;
 		}
-		if (!ipv6_chk_home_addr(&init_net, addr)) {
+		if (!ipv6_chk_home_addr(dev_net(skb->dst->dev), addr)) {
 			IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
 					 IPSTATS_MIB_INADDRERRORS);
 			kfree_skb(skb);