[LLC]: Make core block on remote busy.

Signed-off-by: Jochen Friedrich <jochen@scram.de>
Acked-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 59d02cbbeb9effd53158859aa522a7c73b581f5c..c3f0b07834537e3935615e35b7af3078ec975b04 100644 (file)
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -116,7 +116,9 @@ static int llc_ui_send_data(struct sock* sk, struct sk_buff *skb, int noblock)
        struct llc_sock* llc = llc_sk(sk);
        int rc = 0;
 
-       if (unlikely(llc_data_accept_state(llc->state) || llc->p_flag)) {
+       if (unlikely(llc_data_accept_state(llc->state) || 
+                    llc->remote_busy_flag ||
+                    llc->p_flag)) {
                long timeout = sock_sndtimeo(sk, noblock);
 
                rc = llc_ui_wait_for_busy_core(sk, timeout);
@@ -542,6 +544,7 @@ static int llc_ui_wait_for_busy_core(struct sock *sk, long timeout)
                if (sk_wait_event(sk, &timeout,
                                  (sk->sk_shutdown & RCV_SHUTDOWN) ||
                                  (!llc_data_accept_state(llc->state) &&
+                                  !llc->remote_busy_flag &&
                                   !llc->p_flag)))
                        break;
                rc = -ERESTARTSYS;