diff options
| -rw-r--r-- | net/sctp/outqueue.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c index 16d451a62b3..e333d583361 100644 --- a/net/sctp/outqueue.c +++ b/net/sctp/outqueue.c @@ -598,11 +598,23 @@ static int sctp_outq_flush_rtx(struct sctp_outq *q, struct sctp_packet *pkt, if (fast_rtx && !chunk->fast_retransmit) continue; +redo: /* Attempt to append this chunk to the packet. */ status = sctp_packet_append_chunk(pkt, chunk); switch (status) { case SCTP_XMIT_PMTU_FULL: + if (!pkt->has_data && !pkt->has_cookie_echo) { + /* If this packet did not contain DATA then + * retransmission did not happen, so do it + * again. We'll ignore the error here since + * control chunks are already freed so there + * is nothing we can do. + */ + sctp_packet_transmit(pkt); + goto redo; + } + /* Send this packet. */ error = sctp_packet_transmit(pkt); |