From 75c82fce19df6039e6f6d3260f30876e0ff5f0d4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Gr=C3=A4=C3=9Flin?= <mgraesslin@kde.org>
Date: Tue, 17 Nov 2015 09:47:46 +0100
Subject: [PATCH] [backends/wayland] Only set socket name if it got sepcified

If we don't have a dedicated device identifier we should use the default
mechanismn which involves using the WAYLAND_DISPLAY or WAYLAND_SOCKET env
variable.
---
 backends/wayland/wayland_backend.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/backends/wayland/wayland_backend.cpp b/backends/wayland/wayland_backend.cpp
index 9b1f784818..47ed149f07 100644
--- a/backends/wayland/wayland_backend.cpp
+++ b/backends/wayland/wayland_backend.cpp
@@ -329,7 +329,9 @@ void WaylandBackend::init()
         }
     );
     connect(m_registry, &Registry::interfacesAnnounced, this, &WaylandBackend::createSurface);
-    m_connectionThreadObject->setSocketName(deviceIdentifier());
+    if (!deviceIdentifier().isEmpty()) {
+        m_connectionThreadObject->setSocketName(deviceIdentifier());
+    }
     initConnection();
 }