Added for future use when updating device-controller-frimware:

hwinf *m_hw = nullptr;
    UPDATE_STEP m_lastFailedUpdateStep = UPDATE_STEP::NONE;

worker.h

@@ -290,6 +290,8 @@ private:
     static Worker *instance;
     QStringList m_opkgCommands;
     Update *m_update = nullptr;
+    hwinf *m_hw = nullptr;
+    UPDATE_STEP m_lastFailedUpdateStep = UPDATE_STEP::NONE;
 
 protected:
     virtual void run();
@@ -347,6 +349,8 @@ public:
     void displayProgressInMainWindow(int progress);
     void startProgressLoop();
     void stopProgressLoop();
+    void setHW(hwinf *hw) { m_hw = hw; }
+    hwinf *getHW() { return m_hw; }
 
     IsmasClient &getIsmasClient() { return m_ismasClient; }
     IsmasClient const &getIsmasClient() const { return m_ismasClient; }