diff --git a/services/audioflinger/TrackBase.h b/services/audioflinger/TrackBase.h
index 8f720b5..1497f1c 100644
--- a/services/audioflinger/TrackBase.h
+++ b/services/audioflinger/TrackBase.h
@@ -205,6 +205,16 @@
 protected:
     DISALLOW_COPY_AND_ASSIGN(TrackBase);
 
+    void releaseCblk() {
+        if (mCblk != nullptr) {
+            mCblk->~audio_track_cblk_t();   // destroy our shared-structure.
+            if (mClient == 0) {
+                free(mCblk);
+            }
+            mCblk = nullptr;
+        }
+    }
+
     // AudioBufferProvider interface
     virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer) = 0;
     virtual void releaseBuffer(AudioBufferProvider::Buffer* buffer);