MediaPlayerService: allow next player to be NULL am: 2828412787 am: f4e00a7c5a am: 0dd714e408
am: de97dbd662

Change-Id: I758cf33ec36858a612efe6c412af3df9653f9229
diff --git a/media/libmediaplayerservice/MediaPlayerService.cpp b/media/libmediaplayerservice/MediaPlayerService.cpp
index ef28c12..a39bb65 100644
--- a/media/libmediaplayerservice/MediaPlayerService.cpp
+++ b/media/libmediaplayerservice/MediaPlayerService.cpp
@@ -1014,7 +1014,7 @@
     ALOGV("setNextPlayer");
     Mutex::Autolock l(mLock);
     sp<Client> c = static_cast<Client*>(player.get());
-    if (!mService->hasClient(c)) {
+    if (c != NULL && !mService->hasClient(c)) {
       return BAD_VALUE;
     }