Fix a bug in disconnect()

common/pm3process.cpp

@@ -108,9 +108,7 @@ void PM3Process::onTimeout() //when the proxmark3 client is unexpectedly termina
 //    qDebug()<<portInfo->isBusy();
     if(!portInfo->isBusy())
     {
-        kill();
-        emit PM3StatedChanged(false);
-        setSerialListener(false);
+        killPM3();
     }
 }
 
@@ -149,3 +147,10 @@ void PM3Process::setWorkingDir(const QString& dir)
     // the working directory cannot be the default, or the client will failed to load the dll
     this->setWorkingDirectory(dir);
 }
+
+void PM3Process::killPM3()
+{
+    kill();
+    emit PM3StatedChanged(false);
+    setSerialListener(false);
+}

common/pm3process.h

@@ -30,6 +30,7 @@ public slots:
     void reconnectPM3();
     void setProcEnv(const QStringList* env);
     void setWorkingDir(const QString& dir);
+    void killPM3();
 private slots:
     void onTimeout();
     void onReadyRead();