From d986e2517368fb7e4bf21f004cb623af78114ae6 Mon Sep 17 00:00:00 2001
From: Shin'ichiro Kawasaki <kawasaki@juno.dti.ne.jp>
Date: Sat, 25 Jul 2020 10:25:08 +0900
Subject: [PATCH] BTSession.close: improve close handler

After bluetooth socket close, set None to the socket reference to ensure
no use.

This reverts commit 7fcaba55c4e700142310cefa00e63fd462bff6e2.
---
 scratch_link.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scratch_link.py b/scratch_link.py
index 7ab4e7f..2099480 100755
--- a/scratch_link.py
+++ b/scratch_link.py
@@ -263,6 +263,7 @@ class BTSession(Session):
         if self.sock:
             logger.info(f"disconnect to BT socket: {self.sock}")
             self.sock.close()
+            self.sock = None
 
     def __del__(self):
         self.close()