From 35c0a40b1cf9c75e181997d33b000db4870f51cf Mon Sep 17 00:00:00 2001
From: Nonoo <nonoo@nonoo.hu>
Date: Tue, 20 Oct 2020 22:16:19 +0200
Subject: [PATCH] Fix null pointer access

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

diff --git a/controlstream.go b/controlstream.go
index 5d95b63..22a5213 100644
--- a/controlstream.go
+++ b/controlstream.go
@@ -89,6 +89,9 @@ func (s *controlStream) sendPktReauth(firstReauthSend bool) {
 }
 
 func (s *controlStream) sendDisconnect() {
+	if s.common.conn == nil {
+		return
+	}
 	s.common.send([]byte{0x40, 0x00, 0x00, 0x00, 0x00, 0x00, byte(s.authSendSeq), byte(s.authSendSeq >> 8),
 		byte(s.common.localSID >> 24), byte(s.common.localSID >> 16), byte(s.common.localSID >> 8), byte(s.common.localSID),
 		byte(s.common.remoteSID >> 24), byte(s.common.remoteSID >> 16), byte(s.common.remoteSID >> 8), byte(s.common.remoteSID),