[PATCH] ipv4_static_sysctl_init() should be under CONFIG_SYSCTL

[linux-2.6] / net / sctp / sm_sideeffect.c

diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index b083312c725aa03294771a5858a4840c806ef924..9732c797e8edf06d73e69088d044b4af9ac3e236 100644 (file)
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -664,7 +664,7 @@ static int sctp_cmd_process_sack(sctp_cmd_seq_t *cmds,
                                 struct sctp_association *asoc,
                                 struct sctp_sackhdr *sackh)
 {
-       int err;
+       int err = 0;
 
        if (sctp_outq_sack(&asoc->outqueue, sackh)) {
                /* There are no more TSNs awaiting SACK.  */
@@ -672,11 +672,6 @@ static int sctp_cmd_process_sack(sctp_cmd_seq_t *cmds,
                                 SCTP_ST_OTHER(SCTP_EVENT_NO_PENDING_TSN),
                                 asoc->state, asoc->ep, asoc, NULL,
                                 GFP_ATOMIC);
-       } else {
-               /* Windows may have opened, so we need
-                * to check if we have DATA to transmit
-                */
-               err = sctp_outq_flush(&asoc->outqueue, 0);
        }
 
        return err;
@@ -1481,8 +1476,15 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
                        break;
 
                case SCTP_CMD_DISCARD_PACKET:
-                       /* We need to discard the whole packet.  */
+                       /* We need to discard the whole packet.
+                        * Uncork the queue since there might be
+                        * responses pending
+                        */
                        chunk->pdiscard = 1;
+                       if (asoc) {
+                               sctp_outq_uncork(&asoc->outqueue);
+                               local_cork = 0;
+                       }
                        break;
 
                case SCTP_CMD_RTO_PENDING:
@@ -1553,8 +1555,15 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
        }
 
 out:
-       if (local_cork)
-               sctp_outq_uncork(&asoc->outqueue);
+       /* If this is in response to a received chunk, wait until
+        * we are done with the packet to open the queue so that we don't
+        * send multiple packets in response to a single request.
+        */
+       if (asoc && SCTP_EVENT_T_CHUNK == event_type && chunk) {
+               if (chunk->end_of_packet || chunk->singleton)
+                       sctp_outq_uncork(&asoc->outqueue);
+       } else if (local_cork)
+                       sctp_outq_uncork(&asoc->outqueue);
        return error;
 nomem:
        error = -ENOMEM;