From 27f8f9092fa3a1699153189271e06b5ae60f93dc Mon Sep 17 00:00:00 2001
From: Bryan Boreham <bjboreham@gmail.com>
Date: Fri, 29 May 2020 09:08:36 +0000
Subject: [PATCH] router: tell goroutine to exit when forwarder is stopped

Otherwise a goroutine is leaked each time a connection is closed.
---
 router/overlay_switch.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/router/overlay_switch.go b/router/overlay_switch.go
index 7fcd564d1f..b99d621aec 100644
--- a/router/overlay_switch.go
+++ b/router/overlay_switch.go
@@ -452,6 +452,7 @@ func (fwd *overlaySwitchForwarder) Stop() {
 	fwd.lock.Lock()
 	defer fwd.lock.Unlock()
 	fwd.stopFrom(0)
+	close(fwd.stopChan)
 }
 
 func (fwd *overlaySwitchForwarder) ControlMessage(tag byte, msg []byte) {