From b7fbb9b691f2c8dfe23a327943bd6b05f1a3503e Mon Sep 17 00:00:00 2001
From: Robert Greenwalt <rgreenwalt@google.com>
Date: Wed, 7 May 2014 23:56:50 -0700
Subject: [PATCH] Support multiple calls to AsyncChannel.disconnect

prior to this you'd get a crash if you called it twice.

Change-Id: Ie066b1e00970e17b2ebab5c51a57a9a3459aee26
---
 core/java/com/android/internal/util/AsyncChannel.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/java/com/android/internal/util/AsyncChannel.java b/core/java/com/android/internal/util/AsyncChannel.java
index 52281d92fd7bc..34f62bac29ea0 100644
--- a/core/java/com/android/internal/util/AsyncChannel.java
+++ b/core/java/com/android/internal/util/AsyncChannel.java
@@ -450,6 +450,7 @@ public class AsyncChannel {
     public void disconnect() {
         if ((mConnection != null) && (mSrcContext != null)) {
             mSrcContext.unbindService(mConnection);
+            mConnection = null;
         }
         try {
             // Send the DISCONNECTED, although it may not be received
@@ -463,10 +464,12 @@ public class AsyncChannel {
         // Tell source we're disconnected.
         if (mSrcHandler != null) {
             replyDisconnected(STATUS_SUCCESSFUL);
+            mSrcHandler = null;
         }
         // Unlink only when bindService isn't used
         if (mConnection == null && mDstMessenger != null && mDeathMonitor!= null) {
             mDstMessenger.getBinder().unlinkToDeath(mDeathMonitor, 0);
+            mDeathMonitor = null;
         }
     }