1 files changed, 2 insertions, 1 deletions

diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 37074a39ecbb..739582415bf6 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -416,7 +416,8 @@ void sctp_retransmit_mark(struct sctp_outq *q,
                          * (Section 7.2.4)), add the data size of those
                          * chunks to the rwnd.
                          */
-                        q->asoc->peer.rwnd += sctp_data_size(chunk);
+                        q->asoc->peer.rwnd += (sctp_data_size(chunk) +
+                                                sizeof(struct sk_buff));
                         q->outstanding_bytes -= sctp_data_size(chunk);
                         transport->flight_size -= sctp_data_size(chunk);