diff options
| -rw-r--r-- | klippy/serialqueue.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/klippy/serialqueue.c b/klippy/serialqueue.c index 2286912a..4c18c971 100644 --- a/klippy/serialqueue.c +++ b/klippy/serialqueue.c @@ -487,7 +487,8 @@ handle_message(struct serialqueue *sq, double eventtime, int len) if (rseq != sq->receive_seq) // New sequence number update_receive_seq(sq, eventtime, rseq); - else if (len == MESSAGE_MIN && rseq > sq->retransmit_seq) + else if (len == MESSAGE_MIN && rseq > sq->retransmit_seq + && !list_empty(&sq->sent_queue)) // Duplicate sequence number in an empty message is a nak pollreactor_update_timer(&sq->pr, SQPT_RETRANSMIT, PR_NOW); |