From 2e5bc783f7e83fe490ec39e2e754595040306f5a Mon Sep 17 00:00:00 2001
From: Conner Fromknecht <conner@lightning.engineering>
Date: Tue, 5 Mar 2019 17:08:35 -0800
Subject: [PATCH] peer: preallocate errchans opt

---
 peer.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/peer.go b/peer.go
index f4e97c35..f1fe9490 100644
--- a/peer.go
+++ b/peer.go
@@ -2380,6 +2380,9 @@ func (p *peer) sendMessage(sync, priority bool, msgs ...lnwire.Message) error {
 	// chans is populated for each message if the caller requested a sync
 	// send.
 	var errChans []chan error
+	if sync {
+		errChans = make([]chan error, 0, len(msgs))
+	}
 	for _, msg := range msgs {
 		// If a sync send was requested, create an error chan to listen
 		// for an ack from the writeHandler.