From 242de4d3fb6dbe45ef97c9abd02ebb77427f0162 Mon Sep 17 00:00:00 2001
From: Miikka Heikkinen <miikka.heikkinen@qt.io>
Date: Tue, 6 Sep 2022 09:50:10 +0300
Subject: [PATCH] QmlDesigner: Fix crash on removing import

If material shown in material editor is provided by the removed import,
the selected node in material view becomes invalid.

Change-Id: I374e80288b5fe59d4eba63b6712d4c8891fd11cc
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
---
 .../qmldesigner/designercore/instances/nodeinstanceview.cpp    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/plugins/qmldesigner/designercore/instances/nodeinstanceview.cpp b/src/plugins/qmldesigner/designercore/instances/nodeinstanceview.cpp
index d723a217924..8fce87eb326 100644
--- a/src/plugins/qmldesigner/designercore/instances/nodeinstanceview.cpp
+++ b/src/plugins/qmldesigner/designercore/instances/nodeinstanceview.cpp
@@ -1917,6 +1917,9 @@ void NodeInstanceView::endNanotrace()
 
 QVariant NodeInstanceView::previewImageDataForGenericNode(const ModelNode &modelNode, const ModelNode &renderNode)
 {
+    if (!modelNode.isValid())
+        return {};
+
     ModelNodePreviewImageData imageData;
 
     // We need puppet to generate the image, which needs to be asynchronous.