1 files changed, 6 insertions, 0 deletions
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 7eed77a39d0d..8e755ebff3b8 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -512,7 +512,13 @@ void sctp_assoc_set_primary(struct sctp_association *asoc,
         * to this destination address earlier. The sender MUST set
         * CYCLING_CHANGEOVER to indicate that this switch is a
         * double switch to the same destination address.
+         *
+         * Really, only bother is we have data queued or outstanding on
+         * the association.
         */
+        if (!asoc->outqueue.outstanding_bytes && !asoc->outqueue.out_qlen)
+                return;
        if (transport->cacc.changeover_active)
                transport->cacc.cycling_changeover = changeover;