diff options
| -rw-r--r-- | media/libmedia/AudioSystem.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp index 3486d21..1742fbe 100644 --- a/media/libmedia/AudioSystem.cpp +++ b/media/libmedia/AudioSystem.cpp @@ -582,9 +582,13 @@ const sp<IAudioPolicyService>& AudioSystem::get_audio_policy_service() } binder->linkToDeath(gAudioPolicyServiceClient); gAudioPolicyService = interface_cast<IAudioPolicyService>(binder); - gAudioPolicyService->registerClient(gAudioPolicyServiceClient); gLock.unlock(); + // Registering the client takes the AudioPolicyService lock. + // Don't hold the AudioSystem lock at the same time. + gAudioPolicyService->registerClient(gAudioPolicyServiceClient); } else { + // There exists a benign race condition where gAudioPolicyService + // is set, but gAudioPolicyServiceClient is not yet registered. gLock.unlock(); } return gAudioPolicyService; |