From f373aa1ce56d8b062689d7d36136ff78665c7d38 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Gr=C3=A4=C3=9Flin?= <mgraesslin@kde.org>
Date: Tue, 12 Aug 2014 09:46:39 +0200
Subject: [PATCH] Improve sanity check in WaylandBackend::create

If the WaylandBackend got created without a wl_display we better
stop processing.
---
 wayland_backend.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/wayland_backend.cpp b/wayland_backend.cpp
index 7c2d57b24a..b341773e60 100644
--- a/wayland_backend.cpp
+++ b/wayland_backend.cpp
@@ -726,6 +726,11 @@ WaylandBackend *WaylandBackend::create(QObject *parent)
         return NULL;
     }
     s_self = new WaylandBackend(parent);
+    // check whether it has a display
+    if (!s_self->display()) {
+        delete s_self;
+        s_self = nullptr;
+    }
     return s_self;
 }