From 613aeb79c5604093f53e425fff6697195cb53171 Mon Sep 17 00:00:00 2001
From: David Edmundson <kde@davidedmundson.co.uk>
Date: Mon, 14 Jan 2019 16:07:45 +0000
Subject: [PATCH] Guard resource deletion in OuptutConfiguration::sendApplied

Summary:
A client (kscreen-doctor especially) can disconnect whilst kwin still
has an instance.

Test Plan:
Had reproducible crash on kscreen-doctor.
Now don't.

Reviewers: #kwin

Subscribers: kde-frameworks-devel

Tags: #frameworks

Differential Revision: https://phabricator.kde.org/D18248
---
 src/wayland/server/outputconfiguration_interface.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/wayland/server/outputconfiguration_interface.cpp b/src/wayland/server/outputconfiguration_interface.cpp
index 738a15e5f6..25b6b465d3 100644
--- a/src/wayland/server/outputconfiguration_interface.cpp
+++ b/src/wayland/server/outputconfiguration_interface.cpp
@@ -287,6 +287,9 @@ void OutputConfigurationInterface::setApplied()
 
 void OutputConfigurationInterface::Private::sendApplied()
 {
+    if (!resource) {
+        return;
+    }
     org_kde_kwin_outputconfiguration_send_applied(resource);
 }
 
@@ -299,6 +302,9 @@ void OutputConfigurationInterface::setFailed()
 
 void OutputConfigurationInterface::Private::sendFailed()
 {
+    if (!resource) {
+        return;
+    }
     org_kde_kwin_outputconfiguration_send_failed(resource);
 }