Don't call a nil block in MPWaitTask.

schani · Feb 19, 2012 · b9c7580 · b9c7580
1 parent 4b222f6
commit b9c7580
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/Classes/MPWaitTask.m b/Classes/MPWaitTask.m
@@ -125,9 +125,11 @@ - (void) runAsynchronouslyWithCompletionBlock: (void (^)(NSObject<MPTask> *, id)
 
     // FIXME: run the blocks without the lock or add a try/finally
     if (result != nil) {
-        _completionBlock (self, result);
+        if (_completionBlock != nil)
+            _completionBlock (self, result);
     } else if (error != nil) {
-        _failureBlock (self, error);
+        if (_failureBlock != nil)
+            _failureBlock (self, error);
     } else {
         completionBlock = [_completionBlock copy];
         failureBlock = [_failureBlock copy];