From aec56875f2a42f4e0a98a589b164b258168022a9 Mon Sep 17 00:00:00 2001
From: Nonoo <nonoo@nonoo.hu>
Date: Wed, 28 Oct 2020 22:40:35 +0100
Subject: [PATCH] Fix deinit hang

---
 serialtcpsrv.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/serialtcpsrv.go b/serialtcpsrv.go
index 87f3604..d93e696 100644
--- a/serialtcpsrv.go
+++ b/serialtcpsrv.go
@@ -143,6 +143,8 @@ func (s *serialTCPSrvStruct) deinit() {
 	}
 
 	s.disconnectClient()
-	s.deinitNeededChan <- true
-	<-s.deinitFinishedChan
+	if s.deinitNeededChan != nil {
+		s.deinitNeededChan <- true
+		<-s.deinitFinishedChan
+	}
 }