Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

1 files changed, 9 insertions, 2 deletions

diff --git a/net/sctp/ulpqueue.c b/net/sctp/ulpqueue.c
index f4759a9bdaee..b29e3e4b72c9 100644
--- a/net/sctp/ulpqueue.c
+++ b/net/sctp/ulpqueue.c
@@ -73,7 +73,7 @@ struct sctp_ulpq *sctp_ulpq_init(struct sctp_ulpq *ulpq,
 
 
 /* Flush the reassembly and ordering queues.  */
-static void sctp_ulpq_flush(struct sctp_ulpq *ulpq)
+void sctp_ulpq_flush(struct sctp_ulpq *ulpq)
 {
         struct sk_buff *skb;
         struct sctp_ulpevent *event;
@@ -190,7 +190,14 @@ int sctp_ulpq_tail_event(struct sctp_ulpq *ulpq, struct sctp_ulpevent *event)
         if (!sctp_sk(sk)->pd_mode) {
                 queue = &sk->sk_receive_queue;
         } else if (ulpq->pd_mode) {
-                if (event->msg_flags & MSG_NOTIFICATION)
+                /* If the association is in partial delivery, we
+                 * need to finish delivering the partially processed
+                 * packet before passing any other data.  This is
+                 * because we don't truly support stream interleaving.
+                 */
+                if ((event->msg_flags & MSG_NOTIFICATION) ||
+                    (SCTP_DATA_NOT_FRAG ==
+                            (event->msg_flags & SCTP_DATA_FRAG_MASK)))
                         queue = &sctp_sk(sk)->pd_lobby;
                 else {
                         clear_pd = event->msg_flags & MSG_EOR;