Using full port name (/dev/tty.xxx) as using the short name no longer works.

Changed settings version as the link configurations must be redone (with the new port names)

src/QGCConfig.h

@@ -12,7 +12,7 @@
 
 // If you need to make an incompatible changes to stored settings, bump this version number
 // up by 1. This will caused store settings to be cleared on next boot.
-#define QGC_SETTINGS_VERSION 3
+#define QGC_SETTINGS_VERSION 4
 
 #define QGC_APPLICATION_NAME "QGroundControl"
 #define QGC_ORG_NAME "QGroundControl.org"

src/comm/LinkManager.cc

@@ -465,7 +465,7 @@ void LinkManager::_updateConfigurationList(void)
 #endif
         // Is this a PX4?
         if (portInfo.vendorIdentifier() == 9900) {
-            SerialConfiguration* pSerial = _findSerialConfiguration(portInfo.portName());
+            SerialConfiguration* pSerial = _findSerialConfiguration(portInfo.systemLocation());
             if (pSerial) {
                 //-- If this port is configured make sure it has the preferred flag set
                 if(!pSerial->isPreferred()) {
@@ -477,7 +477,7 @@ void LinkManager::_updateConfigurationList(void)
                 pSerial = new SerialConfiguration(QString("Pixhawk on %1").arg(portInfo.portName().trimmed()));
                 pSerial->setPreferred(true);
                 pSerial->setBaud(115200);
-                pSerial->setPortName(portInfo.portName());
+                pSerial->setPortName(portInfo.systemLocation());
                 addLinkConfiguration(pSerial);
                 saveList = true;
             }

src/comm/SerialLink.cc

@@ -588,7 +588,7 @@ QList<QString> SerialConfiguration::getCurrentPorts()
     QList<QSerialPortInfo> portList =  QSerialPortInfo::availablePorts();
     foreach (const QSerialPortInfo &info, portList)
     {
-        ports.append(info.portName());
+        ports.append(info.systemLocation());
     }
     return ports;
 }