From c6dfb6e4cf77176a0da7c49e5af4171bd6d0e732 Mon Sep 17 00:00:00 2001
From: Jaime van Kessel <nallath@gmail.com>
Date: Thu, 2 Apr 2020 16:44:18 +0200
Subject: [PATCH] Set FirmwareUpdater in error state if file is empty

CURA-6Q
---
 cura/PrinterOutput/FirmwareUpdater.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cura/PrinterOutput/FirmwareUpdater.py b/cura/PrinterOutput/FirmwareUpdater.py
index 56e260a7f0..80269b97a3 100644
--- a/cura/PrinterOutput/FirmwareUpdater.py
+++ b/cura/PrinterOutput/FirmwareUpdater.py
@@ -33,6 +33,10 @@ class FirmwareUpdater(QObject):
         else:
             self._firmware_file = firmware_file
 
+        if self._firmware_file == "":
+            self._setFirmwareUpdateState(FirmwareUpdateState.firmware_not_found_error)
+            return
+        
         self._setFirmwareUpdateState(FirmwareUpdateState.updating)
 
         self._update_firmware_thread.start()