Fix crash on close of J2534 when the previous attempt to open has failed

LegacyNsfw · Jul 28, 2024 · a30b01e · a30b01e
1 parent 2e40689
commit a30b01e
Showing 1 changed file with 8 additions and 6 deletions.
diff --git a/Apps/PcmLibraryWindowsForms/Devices/J2534Device.cs b/Apps/PcmLibraryWindowsForms/Devices/J2534Device.cs
@@ -360,12 +360,14 @@ private Response<J2534Err> ConnectTool()
         /// </summary>
         private Response<J2534Err> DisconnectTool()
         {
-            OBDError = J2534Port.Functions.Close((int)DeviceID);
-            if (OBDError != J2534Err.STATUS_NOERROR)
-            {
-                // Big problems, do something here
-            }
-            IsJ2534Open = false;
+            if (IsJ2534Open == true) {
+                OBDError = J2534Port.Functions.Close((int)DeviceID);
+                if (OBDError != J2534Err.STATUS_NOERROR)
+                {
+                    // Big problems, do something here
+                }
+                IsJ2534Open = false;
+                }
             return Response.Create(ResponseStatus.Success, OBDError);
         }