From 52a7f472b06916e4f4d4f00a9ed0aede9a3e6816 Mon Sep 17 00:00:00 2001
From: Doris Verria <doris.verria@qt.io>
Date: Tue, 13 Oct 2020 11:30:32 +0200
Subject: Return false from canFetchMore for uninitialized QFileSystem models

Task-number: QTBUG-87273
Change-Id: I1787e3dd26ec10cf161d8fa4e329972b6dd4aa6c
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
(cherry picked from commit 61dee37d667e083fd2979ecc166efbc1bfcaf0e7)
---
 src/widgets/dialogs/qfilesystemmodel.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/widgets/dialogs/qfilesystemmodel.cpp b/src/widgets/dialogs/qfilesystemmodel.cpp
index 4644f0f04e..0db06e9b71 100644
--- a/src/widgets/dialogs/qfilesystemmodel.cpp
+++ b/src/widgets/dialogs/qfilesystemmodel.cpp
@@ -644,6 +644,8 @@ bool QFileSystemModel::hasChildren(const QModelIndex &parent) const
 bool QFileSystemModel::canFetchMore(const QModelIndex &parent) const
 {
     Q_D(const QFileSystemModel);
+    if (!d->setRootPath)
+        return false;
     const QFileSystemModelPrivate::QFileSystemNode *indexNode = d->node(parent);
     return (!indexNode->populatedChildren);
 }
-- 
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