Check disposable isn't null before disposing it

Code-Sharp · Aug 24, 2015 · 085fe68 · 085fe68
1 parent 4a13d85
commit 085fe68
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/src/net45/WampSharp/WAMP2/V2/PubSub/WampRawTopic.cs b/src/net45/WampSharp/WAMP2/V2/PubSub/WampRawTopic.cs
@@ -199,8 +199,11 @@ public void Unsubscribe(IUnsubscribeRequest<TMessage> request)
 
         public void Dispose()
         {
-            SubscriptionDisposable.Dispose();
-            SubscriptionDisposable = null;
+            if (SubscriptionDisposable != null)
+            {
+                SubscriptionDisposable.Dispose();
+                SubscriptionDisposable = null;
+            }
         }
 
         #endregion