Zero out return values in audio binder calls

More specifically when handling GET_OUTPUT_FOR_ATTR in IAudioPolicyService.
This prevents leaking a uninitialized `output` across binder if
getOutputForAttr were to encounter errors.

Bug: 23756261
Change-Id: Ibff8a1249a4e8a3c89a33a540dda428b10d6ca82

parent 66b24004

media/libmedia/IAudioPolicyService.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -816,7 +816,7 @@ status_t BnAudioPolicyService::onTransact(
		if (hasOffloadInfo) {
		data.read(&offloadInfo, sizeof(audio_offload_info_t));
		}
		audio_io_handle_t output;
		audio_io_handle_t output = 0;
		status_t status = getOutputForAttr(hasAttributes ? &attr : NULL,
		&output, session, &stream,
		samplingRate, format, channelMask,