IP_DROP_MEMBERSHIP  158 arch/um/drivers/umcast_user.c 		if (setsockopt(fd, SOL_IP, IP_DROP_MEMBERSHIP,
IP_DROP_MEMBERSHIP  574 net/ipv4/ip_sockglue.c 	case IP_DROP_MEMBERSHIP:
IP_DROP_MEMBERSHIP  906 net/ipv4/ip_sockglue.c 	case IP_DROP_MEMBERSHIP: