From b7090feadbfe42f2517f0cf4b630503b708c36c3 Mon Sep 17 00:00:00 2001
From: Ghostkeeper <rubend@tutanota.com>
Date: Mon, 2 Oct 2017 16:11:59 +0200
Subject: [PATCH] Don't stop camera if it wasn't running

Otherwise you get a segfault in the .abort() function down below.

Contributes to issue CURA-4376.
---
 plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py b/plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py
index d489402d8e..592b0e9081 100755
--- a/plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py
+++ b/plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py
@@ -331,6 +331,8 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
 
         if self._camera_timer.isActive():
             self._camera_timer.stop()
+        else: #Camera wasn't even running. Don't try to stop it or you'll get a segfault.
+            return
 
         if self._image_reply:
             try: