From ed6d4bd495088a4f42abca4b2f78c8f4f097110d Mon Sep 17 00:00:00 2001
From: Stefan Dunca <stefan@auterion.com>
Date: Fri, 28 Jun 2019 17:09:04 +0200
Subject: [PATCH] Fix dangling pointer access

---
 src/Vehicle/Vehicle.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Vehicle/Vehicle.cc b/src/Vehicle/Vehicle.cc
index fb1e76b..1210666 100644
--- a/src/Vehicle/Vehicle.cc
+++ b/src/Vehicle/Vehicle.cc
@@ -551,8 +551,11 @@ Vehicle::~Vehicle()
 void Vehicle::prepareDelete()
 {
     if(_cameras) {
-        delete _cameras;
+        // because of _cameras QML bindings check for nullptr won't work in the binding pipeline
+        // the dangling pointer access will cause a runtime fault
+        auto tmpCameras = _cameras;
         _cameras = nullptr;
+        delete tmpCameras;
         emit dynamicCamerasChanged();
         qApp->processEvents();
     }