From 5161f20925ec071e72c2b0eb084f7abaa9dffabf Mon Sep 17 00:00:00 2001
From: Craig Mautner <cmautner@google.com>
Date: Wed, 20 Feb 2013 16:54:05 -0800
Subject: [PATCH] Fix crashing bug in validator.

Change-Id: I649bb7cfc2b42fbeda478edcaa3a56f3c23d4bc8
---
 services/java/com/android/server/wm/WindowManagerService.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/services/java/com/android/server/wm/WindowManagerService.java b/services/java/com/android/server/wm/WindowManagerService.java
index 966ceda44f289..015987773e734 100644
--- a/services/java/com/android/server/wm/WindowManagerService.java
+++ b/services/java/com/android/server/wm/WindowManagerService.java
@@ -3139,6 +3139,10 @@ public class WindowManagerService extends IWindowManager.Stub
                 }
 
                 while (v >= 0) {
+                    if (!iterator.hasNext()) {
+                        mismatch = true;
+                        break;
+                    }
                     AppWindowToken atoken = iterator.next();
                     if (atoken.removed) {
                         continue;