From 8bf2125a19eacf74a6abb45a2c5fdcbb770e5c4c Mon Sep 17 00:00:00 2001
From: Philipp Maier <pmaier@sysmocom.de>
Date: Wed, 22 Sep 2021 15:30:21 +0200
Subject: [PATCH] transport/pcsc: make sure reader is disconnected

Make sure that a reader is disconnected before connecting it. This will
efectively prevent resource leakage in the lower PCSC layers when the
reader is connected multiple times during bulk provisioning

Change-Id: I266e56f2330da25c680a76f4c0ca630a38e1f61b
---
 pySim/transport/pcsc.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pySim/transport/pcsc.py b/pySim/transport/pcsc.py
index c16abac1..147a6b7a 100644
--- a/pySim/transport/pcsc.py
+++ b/pySim/transport/pcsc.py
@@ -56,6 +56,10 @@ class PcscSimLink(LinkBase):
 
 	def connect(self):
 		try:
+			# To avoid leakage of resources, make sure the reader
+			# is disconnected
+			self.disconnect()
+
 			# Explicitly select T=0 communication protocol
 			self._con.connect(CardConnection.T0_protocol)
 		except CardConnectionException: