ICMPV6_ROUTER_PREF_INVALID 1162 net/ipv6/ndisc.c 	if (pref == ICMPV6_ROUTER_PREF_INVALID ||
ICMPV6_ROUTER_PREF_INVALID  482 net/ipv6/route.c 	if (pref == ICMPV6_ROUTER_PREF_INVALID)