1 files changed, 17 insertions, 0 deletions

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 4664733f139c..99ad52c00c96 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2375,6 +2375,23 @@ void __tcp_put_md5sig_pool(void)
 EXPORT_SYMBOL(__tcp_put_md5sig_pool);
 #endif
 
+void tcp_done(struct sock *sk)
+{
+        if(sk->sk_state == TCP_SYN_SENT || sk->sk_state == TCP_SYN_RECV)
+                TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS);
+
+        tcp_set_state(sk, TCP_CLOSE);
+        tcp_clear_xmit_timers(sk);
+
+        sk->sk_shutdown = SHUTDOWN_MASK;
+
+        if (!sock_flag(sk, SOCK_DEAD))
+                sk->sk_state_change(sk);
+        else
+                inet_csk_destroy_sock(sk);
+}
+EXPORT_SYMBOL_GPL(tcp_done);
+
 extern void __skb_cb_too_small_for_tcp(int, int);
 extern struct tcp_congestion_ops tcp_reno;