~hc/RK356X_SDK_RELEASE.git

..	..	@@ -400,6 +400,11 @@
400	400	struct sock *sk = sock->sk;
401	401
402	402	lock_sock(sk);
	403	+ if (sock->state != SS_UNCONNECTED) {
	404	+ release_sock(sk);
	405	+ return -EINVAL;
	406	+ }
	407	+
403	408	if (sk->sk_state != TCP_LISTEN) {
404	409	memset(&nr_sk(sk)->user_addr, 0, AX25_ADDR_LEN);
405	410	sk->sk_max_ack_backlog = backlog;
..	..	@@ -655,6 +660,11 @@
655	660	goto out_release;
656	661	}
657	662
	663	+ if (sock->state == SS_CONNECTING) {
	664	+ err = -EALREADY;
	665	+ goto out_release;
	666	+ }
	667	+
658	668	sk->sk_state = TCP_CLOSE;
659	669	sock->state = SS_UNCONNECTED;
660	670