From e86c81309bfc4aec084fbcab08bb2ee8c8fd0e7b Mon Sep 17 00:00:00 2001
From: Michael Zillgith <michael.zillgith@mz-automation.de>
Date: Fri, 25 Sep 2020 17:44:15 +0200
Subject: [PATCH] - MMS client: fixed bug in TLS connection handling

---
 src/mms/iso_client/iso_client_connection.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/mms/iso_client/iso_client_connection.c b/src/mms/iso_client/iso_client_connection.c
index 7f12051f..f5462265 100644
--- a/src/mms/iso_client/iso_client_connection.c
+++ b/src/mms/iso_client/iso_client_connection.c
@@ -283,8 +283,10 @@ releaseSocket(IsoClientConnection self)
     if (self->socket) {
 
 #if (CONFIG_MMS_SUPPORT_TLS == 1)
-    if (self->cotpConnection->tlsSocket)
+    if (self->cotpConnection->tlsSocket) {
         TLSSocket_close(self->cotpConnection->tlsSocket);
+        self->cotpConnection->tlsSocket = NULL;
+    }
 #endif
 
         Socket_destroy(self->socket);