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) {