From 0ddd3f4a20e13914b5a4253d38b6887557f2ca1d Mon Sep 17 00:00:00 2001
From: Robert Shih <robertshih@google.com>
Date: Wed, 2 Sep 2015 16:46:59 -0700
Subject: Zero out return values in media binder calls

More specifically when handling:
* GET_STREAM_VOLUME in IAudioPolicyService, and
* GET_CURRENT_POSITION and GET_DURATION in IMediaPlayer

This prevents leaking uninitialized values across binder in error cases.

Bug: 23756261
Change-Id: I0ffd900ab12b685b0611259ade4a3efb1ec5defe
---
 media/libmedia/IAudioPolicyService.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'media/libmedia/IAudioPolicyService.cpp')

diff --git a/media/libmedia/IAudioPolicyService.cpp b/media/libmedia/IAudioPolicyService.cpp
index 3348441..baa5c7d 100644
--- a/media/libmedia/IAudioPolicyService.cpp
+++ b/media/libmedia/IAudioPolicyService.cpp
@@ -994,7 +994,7 @@ status_t BnAudioPolicyService::onTransact(
             audio_stream_type_t stream =
                     static_cast <audio_stream_type_t>(data.readInt32());
             audio_devices_t device = static_cast <audio_devices_t>(data.readInt32());
-            int index;
+            int index = 0;
             status_t status = getStreamVolumeIndex(stream, &index, device);
             reply->writeInt32(index);
             reply->writeInt32(static_cast <uint32_t>(status));
-- 
cgit v1.1