udp_destruct_sock  263 include/net/udp.h void udp_destruct_sock(struct sock *sk);
udp_destruct_sock 1537 net/ipv4/udp.c EXPORT_SYMBOL_GPL(udp_destruct_sock);
udp_destruct_sock 1542 net/ipv4/udp.c 	sk->sk_destruct = udp_destruct_sock;