From ff5b29dfd4db93df4dca5236cc1aa20359afe35a Mon Sep 17 00:00:00 2001
From: Miikka Heikkinen <miikka.heikkinen@qt.io>
Date: Tue, 28 Jun 2022 12:38:12 +0300
Subject: QmlDesigner: Fix crash in material browser

Task-number: QDS-7191
Change-Id: I9542a227aeb3f462ff3572e9a07a7473f98bfa61
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
---
 .../qmldesigner/components/materialbrowser/materialbrowserview.cpp     | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/plugins/qmldesigner/components/materialbrowser/materialbrowserview.cpp b/src/plugins/qmldesigner/components/materialbrowser/materialbrowserview.cpp
index 2d02ba1276..d85e8239c1 100644
--- a/src/plugins/qmldesigner/components/materialbrowser/materialbrowserview.cpp
+++ b/src/plugins/qmldesigner/components/materialbrowser/materialbrowserview.cpp
@@ -107,6 +107,9 @@ void MaterialBrowserView::modelAttached(Model *model)
 
 void MaterialBrowserView::refreshModel(bool updateImages)
 {
+    if (!model() || !model()->nodeInstanceView())
+        return;
+
     ModelNode matLib = modelNodeForId(Constants::MATERIAL_LIB_ID);
     QList <ModelNode> materials;
 
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