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-rw-r--r--media/libmediaplayerservice/MediaPlayerService.cpp10
-rw-r--r--media/libmediaplayerservice/MediaPlayerService.h1
2 files changed, 11 insertions, 0 deletions
diff --git a/media/libmediaplayerservice/MediaPlayerService.cpp b/media/libmediaplayerservice/MediaPlayerService.cpp
index b8c610d..0483228 100644
--- a/media/libmediaplayerservice/MediaPlayerService.cpp
+++ b/media/libmediaplayerservice/MediaPlayerService.cpp
@@ -559,6 +559,12 @@ void MediaPlayerService::removeClient(wp<Client> client)
mClients.remove(client);
}
+bool MediaPlayerService::hasClient(wp<Client> client)
+{
+ Mutex::Autolock lock(mLock);
+ return mClients.indexOf(client) != NAME_NOT_FOUND;
+}
+
MediaPlayerService::Client::Client(
const sp<MediaPlayerService>& service, pid_t pid,
int32_t connId, const sp<IMediaPlayerClient>& client,
@@ -1056,6 +1062,10 @@ status_t MediaPlayerService::Client::setNextPlayer(const sp<IMediaPlayer>& playe
ALOGV("setNextPlayer");
Mutex::Autolock l(mLock);
sp<Client> c = static_cast<Client*>(player.get());
+ if (!mService->hasClient(c)) {
+ return BAD_VALUE;
+ }
+
mNextClient = c;
if (c != NULL) {
diff --git a/media/libmediaplayerservice/MediaPlayerService.h b/media/libmediaplayerservice/MediaPlayerService.h
index 60d4617..e8e5360 100644
--- a/media/libmediaplayerservice/MediaPlayerService.h
+++ b/media/libmediaplayerservice/MediaPlayerService.h
@@ -226,6 +226,7 @@ public:
virtual status_t dump(int fd, const Vector<String16>& args);
void removeClient(wp<Client> client);
+ bool hasClient(wp<Client> client);
// For battery usage tracking purpose
struct BatteryUsageInfo {