From 29e5864402c0ca8622c05fd6b1b4a24c62f35d6c Mon Sep 17 00:00:00 2001
From: Xaver Hugl <xaver.hugl@gmail.com>
Date: Tue, 9 Nov 2021 22:05:50 +0100
Subject: [PATCH] waylandserver: fix logout crash

When we shut down we can have zero outputs, and thus a nullptr
primary output.
---
 src/wayland_server.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/wayland_server.cpp b/src/wayland_server.cpp
index be782e4b22..0fc68b2acd 100644
--- a/src/wayland_server.cpp
+++ b/src/wayland_server.cpp
@@ -276,7 +276,7 @@ void WaylandServer::initPlatform()
     connect(kwinApp()->platform(), &Platform::outputDisabled, this, &WaylandServer::handleOutputDisabled);
 
     connect(kwinApp()->platform(), &Platform::primaryOutputChanged, this, [this] (AbstractOutput *primaryOutput) {
-        m_primary->setPrimaryOutput(primaryOutput->name());
+        m_primary->setPrimaryOutput(primaryOutput ? primaryOutput->name() : "");
     });
     if (auto primaryOutput = kwinApp()->platform()->primaryOutput()) {
         m_primary->setPrimaryOutput(primaryOutput->name());