[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>

1 files changed, 4 insertions, 1 deletions

diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 59d02cbbeb9e..c3f0b0783453 100644
--- 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;