From eab2e6f2cbfb4bb6680d6f5961676465470b9587 Mon Sep 17 00:00:00 2001
From: Michael Zillgith <michael.zillgith@mz-automation.de>
Date: Thu, 29 Jun 2023 15:23:30 +0100
Subject: [PATCH] - fixed potential null pointer dereferentiation in  
 IedConnection_getDeviceModelFromServer when no error argument given

---
 src/iec61850/client/ied_connection.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/iec61850/client/ied_connection.c b/src/iec61850/client/ied_connection.c
index bc581dea..bc8e9ff6 100644
--- a/src/iec61850/client/ied_connection.c
+++ b/src/iec61850/client/ied_connection.c
@@ -1757,7 +1757,7 @@ IedConnection_getDeviceModelFromServer(IedConnection self, IedClientError* error
         LinkedList_destroy(logicalDeviceNames);
     }
     else
-        *error = iedConnection_mapMmsErrorToIedError(mmsError);
+        if (error) *error = iedConnection_mapMmsErrorToIedError(mmsError);
 }
 
 LinkedList /*<char*>*/