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-rw-r--r--net/sctp/associola.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 7eed77a39d0..8e755ebff3b 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;