Index: sources/device/DeviceController.h
===================================================================
diff -u -rfb43510552969e9fb3c3f10ae693ba81ea7e8d52 -r7fb3037f90ac302238f618243a137bee1653ca2b
--- sources/device/DeviceController.h	(.../DeviceController.h)	(revision fb43510552969e9fb3c3f10ae693ba81ea7e8d52)
+++ sources/device/DeviceController.h	(.../DeviceController.h)	(revision 7fb3037f90ac302238f618243a137bee1653ca2b)
@@ -100,7 +100,6 @@
     bool        _mounted    = false;
     bool        _umounted   = false;
     bool        _removed    = false;
-    const char *_usbDrive   = "";
     const int   _interval   = 1000; // in ms
 
     const qint8 _minRequiredAvailableSpacePercent = 10;
@@ -256,13 +255,13 @@
 
 private:
     // ----- USB
-    void usbCheck();
+    void usbCheck   ();
+    void usbError   (const QString &vDevice                         );
+    void usbMountReq(const QString &vDevice, bool vIsMount = true   );
+    void usbMount   (const QString &vDevice                         );
+    void usbUmount  (const QString &vDevice                         );
+    void usbRemove  ();
 
-    bool usbMount (const QString &vDevice);
-    bool usbUmount(const QString &vDevice);
-    void usbRemove();
-    void usbError (const QString &vDevice);
-
     void sdcardSpaceCheck();
     void    usbSpaceCheck();