From 7252dbd934417acf4353fa6df5fad90a9bda35db Mon Sep 17 00:00:00 2001
From: "Johan T. Halseth" <johanth@gmail.com>
Date: Wed, 28 Feb 2018 23:29:49 +0100
Subject: [PATCH] funding: add missing mutex around activeReservations

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

diff --git a/fundingmanager.go b/fundingmanager.go
index 7c17fb3a..e1e98872 100644
--- a/fundingmanager.go
+++ b/fundingmanager.go
@@ -835,12 +835,15 @@ func (f *fundingManager) handleFundingOpen(fmsg *fundingOpenMsg) {
 
 	// TODO(roasbeef): modify to only accept a _single_ pending channel per
 	// block unless white listed
+	f.resMtx.RLock()
 	if len(f.activeReservations[peerIDKey]) >= cfg.MaxPendingChannels {
+		f.resMtx.RUnlock()
 		f.failFundingFlow(
 			fmsg.peerAddress.IdentityKey, fmsg.msg.PendingChannelID,
 			lnwire.ErrMaxPendingChannels)
 		return
 	}
+	f.resMtx.RUnlock()
 
 	// We'll also reject any requests to create channels until we're fully
 	// synced to the network as we won't be able to properly validate the