ip6_hold_safe    1253 net/ipv6/route.c 		if (ip6_hold_safe(net, &rt))
ip6_hold_safe    2273 net/ipv6/route.c 		ip6_hold_safe(net, &rt);
ip6_hold_safe    2997 net/ipv6/route.c 		ip6_hold_safe(net, &ret);