SensorManager: Don't try to attach looper thread without JVM

The fuzzer isn't currently running inside a JVM so we don't have access
to JNIEnv when creating SensorManager.

Test: m
Bug: 295558387
Change-Id: Ie6d3b8f0c4871b4b84bb9eb02a1cd6240652de60

1 files changed, 5 insertions, 0 deletions

diff --git a/services/sensorservice/aidl/SensorManager.cpp b/services/sensorservice/aidl/SensorManager.cpp
index 9b0334443b..ee4c5f819c 100644
--- a/services/sensorservice/aidl/SensorManager.cpp
+++ b/services/sensorservice/aidl/SensorManager.cpp
@@ -197,6 +197,11 @@ ndk::ScopedAStatus SensorManagerAidl::getSensorList(std::vector<SensorInfo>* _ai
 sp<Looper> SensorManagerAidl::getLooper() {
     std::lock_guard<std::mutex> lock(mThreadMutex);
 
+    if (!mJavaVm) {
+        LOG(ERROR) << "No Java VM. This must be running in a test or fuzzer.";
+        return mLooper;
+    }
+
     if (!mPollThread.joinable()) {
         // if thread not initialized, start thread
         mStopThread = false;