check for existance before dereferencing

git-svn-id: svn://10.0.0.236/trunk@30469 18797224-902f-48f8-a5cc-f745e15eee43
1999-05-06 00:24:45 +00:00
parent f9d569e01f
commit 5f83d6c89a
2 changed files with 8 additions and 4 deletions
--- a/mozilla/xpcom/src/nsEventQueueService.cpp
+++ b/mozilla/xpcom/src/nsEventQueueService.cpp
@@ -78,8 +78,10 @@ EventQueueStack::EventQueueStack(EventQueueStack* next)
 		mEventQueue = NULL;
 	}

-	if (NS_FAILED(mEventQueue->Init()))
-		mEventQueue = NULL;
+	if (mEventQueue) {
+		if (NS_FAILED(mEventQueue->Init()))
+			mEventQueue = NULL;
+	}
 }

 EventQueueStack::~EventQueueStack()