Check null mHandler condition before invoking method on it

There is a path that clean up is called before stop call on HealthService
mHandler could be set to null
bug 16784750

Change-Id: Ie931fa502cf82d21c6bf97a8dc7035e5a1ed4b2e

parent a08ff547

src/com/android/bluetooth/hdp/HealthService.java

+6 −4

Original line number	Diff line number	Diff line
		@@ -100,11 +100,13 @@ public class HealthService extends ProfileService {
		}

		protected boolean stop() {
		if (mHandler != null) {
		mHandler.removeCallbacksAndMessages(null);
		Looper looper = mHandler.getLooper();
		if (looper != null) {
		looper.quit();
		}
		}
		cleanupApps();
		return true;
		}