From 24c3c4db522f0ea981dcdd1fa73765167a6bb4ca Mon Sep 17 00:00:00 2001
From: Thomas Hartmann <thomas.hartmann@qt.io>
Date: Fri, 10 Mar 2023 17:53:42 +0100
Subject: [PATCH] QmlDesigner: Fix pontential crash on shutdown

Task-number: QDS-9438
Change-Id: I6971f092ba1106c108bab8a9264e1e0dc84310e5
(cherry picked from commit 6665ddf3352d75e48d2f8b695788aeda562f24a0)
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
---
 src/plugins/qmldesigner/components/toolbar/toolbarbackend.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/plugins/qmldesigner/components/toolbar/toolbarbackend.cpp b/src/plugins/qmldesigner/components/toolbar/toolbarbackend.cpp
index 3e406615c46..e77bd51d3b9 100644
--- a/src/plugins/qmldesigner/components/toolbar/toolbarbackend.cpp
+++ b/src/plugins/qmldesigner/components/toolbar/toolbarbackend.cpp
@@ -43,6 +43,8 @@ static Internal::DesignModeWidget *designModeWidget()
 
 static DesignDocument *currentDesignDocument()
 {
+    QTC_ASSERT(QmlDesignerPlugin::instance(), return nullptr);
+
     return QmlDesignerPlugin::instance()->documentManager().currentDesignDocument();
 }