3 files changed, 8 insertions, 1 deletions

diff --git a/include/net/sctp/ulpqueue.h b/include/net/sctp/ulpqueue.h
index a43c8788b650..ab26ab3adae1 100644
--- a/include/net/sctp/ulpqueue.h
+++ b/include/net/sctp/ulpqueue.h
@@ -59,6 +59,7 @@ struct sctp_ulpq {
 /* Prototypes. */
 struct sctp_ulpq *sctp_ulpq_init(struct sctp_ulpq *,
                                  struct sctp_association *);
+void sctp_ulpq_flush(struct sctp_ulpq *ulpq);
 void sctp_ulpq_free(struct sctp_ulpq *);
 
 /* Add a new DATA chunk for processing. */
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index fa82b73c965b..2505cd3b8d29 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -1063,6 +1063,12 @@ void sctp_assoc_update(struct sctp_association *asoc,
                  */
                 sctp_ssnmap_clear(asoc->ssnmap);
 
+                /* Flush the ULP reassembly and ordered queue.
+                 * Any data there will now be stale and will
+                 * cause problems.
+                 */
+                sctp_ulpq_flush(&asoc->ulpq);
+
         } else {
                 /* Add any peer addresses from the new association. */
                 list_for_each(pos, &new->peer.transport_addr_list) {
diff --git a/net/sctp/ulpqueue.c b/net/sctp/ulpqueue.c
index f4759a9bdaee..bfb197e37da3 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;