ndisc_is_useropt  245 net/ipv6/ndisc.c 	} while(cur < end && !ndisc_is_useropt(cur));
ndisc_is_useropt  246 net/ipv6/ndisc.c 	return (cur <= end && ndisc_is_useropt(cur) ? cur : NULL);
ndisc_is_useropt  291 net/ipv6/ndisc.c 			if (ndisc_is_useropt(nd_opt)) {