From e21167a9e5978f167fa6e8d26bbb2986b6609372 Mon Sep 17 00:00:00 2001
From: Ken Shirriff <kens@google.com>
Date: Wed, 23 Sep 2009 16:42:53 -0700
Subject: [PATCH] Fix widget stopListening NPE.

lookupHostLocked caller needs to check for null return value.
---
 services/java/com/android/server/AppWidgetService.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/services/java/com/android/server/AppWidgetService.java b/services/java/com/android/server/AppWidgetService.java
index 5439f8be72f10..3c469546081db 100644
--- a/services/java/com/android/server/AppWidgetService.java
+++ b/services/java/com/android/server/AppWidgetService.java
@@ -473,8 +473,10 @@ class AppWidgetService extends IAppWidgetService.Stub
     public void stopListening(int hostId) {
         synchronized (mAppWidgetIds) {
             Host host = lookupHostLocked(getCallingUid(), hostId);
-            host.callbacks = null;
-            pruneHostLocked(host);
+            if (host != null) {
+                host.callbacks = null;
+                pruneHostLocked(host);
+            }
         }
     }