continued ACS board + SUS board assemblies

- Handling and Testing of basic FDIR

linux/devices/GPSHyperionLinuxController.cpp

@@ -114,12 +114,14 @@ void GPSHyperionLinuxController::readGpsDataFromGpsd() {
   gps = myGpsmm.read();
   if (gps == nullptr) {
     sif::warning << "GPSHyperionHandler::readGpsDataFromGpsd: Reading GPS data failed" << std::endl;
+    return;
   }
   PoolReadGuard pg(&gpsSet);
   if (pg.getReadResult() != HasReturnvaluesIF::RETURN_OK) {
 #if FSFW_VERBOSE_LEVEL >= 1
     sif::warning << "GPSHyperionHandler::readGpsDataFromGpsd: Reading dataset failed" << std::endl;
 #endif
+    return;
   }
 
   // 0: Not seen, 1: No fix, 2: 2D-Fix, 3: 3D-Fix