Use user-set device names for Linksys Smart Wi-Fi routers (3) (#8300)

* Use user-set device names for Linksys Smart Wi-Fi routers (3)

* Newline at end of linksys_smart.py

* Remove spaces in last line of linksys_smart.py

* Update linksys_smart.py

homeassistant/components/device_tracker/linksys_smart.py

@@ -83,11 +83,14 @@ class LinksysSmartWifiDeviceScanner(DeviceScanner):
                     if not connections:
                         _LOGGER.debug("Device %s is not connected", mac)
                         continue
-                    name = device["friendlyName"]
-                    properties = device["properties"]
-                    for prop in properties:
+
+                    name = None
+                    for prop in device["properties"]:
                         if prop["name"] == "userDeviceName":
                             name = prop["value"]
+                    if not name:
+                        name = device.get("friendlyName", device["deviceID"])
+
                     _LOGGER.debug("Device %s is connected", mac)
                     self.last_results[mac] = name
             except (KeyError, IndexError):