struct msghdr *msg, size_t len,
int noblock, int flags, int *addr_len);
extern int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb);
-extern int udpv6_destroy_sock(struct sock *sk);
+extern void udpv6_destroy_sock(struct sock *sk);
#ifdef CONFIG_PROC_FS
extern int udp6_seq_show(struct seq_file *seq, void *v);