MediaPlayer: use mLock to prevent racing condition.

Bug: 27823938
Change-Id: Iad156f3b35fdcccb13ad5c49921bbe3cc4fc0c47
(cherry picked from commit 1243869f)

parent bbc96beb

media/libmedia/mediaplayer.cpp

+1 −0

Original line number	Diff line number	Diff line
		@@ -922,6 +922,7 @@ void MediaPlayer::died()
		}

		status_t MediaPlayer::setNextMediaPlayer(const sp<MediaPlayer>& next) {
		Mutex::Autolock _l(mLock);
		if (mPlayer == NULL) {
		return NO_INIT;
		}