Merge "Fix crash during Bluetooth on/off stress test" into lmp-mr1-dev
diff --git a/core/java/android/bluetooth/BluetoothAdapter.java b/core/java/android/bluetooth/BluetoothAdapter.java
index f2e03cf..c262bae 100644
--- a/core/java/android/bluetooth/BluetoothAdapter.java
+++ b/core/java/android/bluetooth/BluetoothAdapter.java
@@ -1445,7 +1445,7 @@
                 if (VDBG) Log.d(TAG, "onBluetoothServiceDown: " + mService);
                 synchronized (mManagerCallback) {
                     mService = null;
-                    mLeScanClients.clear();
+                    if (mLeScanClients != null) mLeScanClients.clear();
                     if (sBluetoothLeAdvertiser != null) sBluetoothLeAdvertiser.cleanup();
                     if (sBluetoothLeScanner != null) sBluetoothLeScanner.cleanup();
                     for (IBluetoothManagerCallback cb : mProxyServiceStateCallbacks ){