ip6mr_find_vif   1494 net/ipv6/ip6mr.c 		true_vifi = ip6mr_find_vif(skb->dev);
ip6mr_find_vif   1555 net/ipv6/ip6mr.c 		vif = ip6mr_find_vif(skb->dev);
ip6mr_find_vif   1631 net/ipv6/ip6mr.c 		if (dev == NULL || (vif = ip6mr_find_vif(dev)) < 0) {