From 3edcd8cfdf5faa1c229c3b2edde2fe3c722f175d Mon Sep 17 00:00:00 2001
From: Svetoslav <svetoslavganov@google.com>
Date: Tue, 8 Oct 2013 18:31:54 -0700
Subject: Add missing locking when updating the accessibility node info cache.

bug:10489954

Change-Id: Iccf55d074ea712566f441b9f6616a4c1fe847e0a
---
 core/java/android/view/accessibility/AccessibilityNodeInfoCache.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/java/android/view/accessibility/AccessibilityNodeInfoCache.java b/core/java/android/view/accessibility/AccessibilityNodeInfoCache.java
index 6bef78e37f9b..7dd1e8a26a0d 100644
--- a/core/java/android/view/accessibility/AccessibilityNodeInfoCache.java
+++ b/core/java/android/view/accessibility/AccessibilityNodeInfoCache.java
@@ -86,7 +86,9 @@ public class AccessibilityNodeInfoCache {
                     refreshCachedNode(event.getSourceNodeId());
                 } break;
                 case AccessibilityEvent.TYPE_VIEW_SCROLLED: {
-                    clearSubTreeLocked(event.getSourceNodeId());
+                    synchronized (mLock) {
+                        clearSubTreeLocked(event.getSourceNodeId());
+                    }
                 } break;
                 case AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED: {
                     synchronized (mLock) {
-- 
cgit v1.2.3-59-g8ed1b