From 82e27751861c8825d4412dde7f23ebba08c47a0a Mon Sep 17 00:00:00 2001
From: Mats Palmgren <matspal@gmail.com>
Date: Wed, 20 Jul 2011 22:22:27 +0200
Subject: [PATCH] Bug 424395 - Ignore invalidation if the view observer has
 been disconnected.  r=roc

---
 view/src/nsViewManager.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/view/src/nsViewManager.cpp b/view/src/nsViewManager.cpp
index e12ede1a00a1..0968a3660908 100644
--- a/view/src/nsViewManager.cpp
+++ b/view/src/nsViewManager.cpp
@@ -634,7 +634,7 @@ ShouldIgnoreInvalidation(nsViewManager* aVM)
 {
   while (aVM) {
     nsIViewObserver* vo = aVM->GetViewObserver();
-    if (vo && vo->ShouldIgnoreInvalidation()) {
+    if (!vo || vo->ShouldIgnoreInvalidation()) {
       return PR_TRUE;
     }
     nsView* view = aVM->GetRootViewImpl()->GetParent();