commit 49fdeaff2f4c1405738320b7c3a540b528457e1b
author Praveen Chavan <pchavan@codeaurora.org> Tue Sep 29 02:25:47 2015 -0700
committer Glenn Kasten <gkasten@google.com> Thu Oct 01 16:57:00 2015 -0700
tree 8c4dc9a5d53e6e17bd1fa68f12e4893376eb1f23
parent 921c7dffbd7f594b13688abae363d562eaefa8a0

AudioSystem: Fix race condition in accessing ioDescriptors

The vector mIoDescriptors can be simultaneouly modified
and accessed by 2 threads. Acquire a lock while wrapping
the ioDescriptor in a sp<>

Bug: 24576810

Author: Haynes Mathew George <hgeorge@codeaurora.org>

Change-Id: I73c79ef8eca092b500a7ead3a5ebd0bcf75f9920

include/media/AudioSystem.h

diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index 06116a5..26a0bb2 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -399,6 +399,7 @@
         uint32_t                            mInSamplingRate;
         audio_format_t                      mInFormat;
         audio_channel_mask_t                mInChannelMask;
+        sp<AudioIoDescriptor> getIoDescriptor_l(audio_io_handle_t ioHandle);
     };
 
     class AudioPolicyServiceClient: public IBinder::DeathRecipient,