From 3e7ef867dd55e17c9a1ccf73f3b32cdb4db883a5 Mon Sep 17 00:00:00 2001
From: Jarek Kobus <jaroslaw.kobus@qt.io>
Date: Thu, 15 Feb 2024 15:57:56 +0100
Subject: [PATCH] QmlJSPluginDumper: Prevent potential crash when no results in
 QFuture

Ensure we don't reference non-existing QFuture's result.

Change-Id: I57668390e6ca83ae30c0b1de3e3a083a344ddbaa
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
---
 src/libs/qmljs/qmljsplugindumper.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/libs/qmljs/qmljsplugindumper.cpp b/src/libs/qmljs/qmljsplugindumper.cpp
index d2407bb1137..b2591fbf0ab 100644
--- a/src/libs/qmljs/qmljsplugindumper.cpp
+++ b/src/libs/qmljs/qmljsplugindumper.cpp
@@ -427,6 +427,10 @@ QFuture<PluginDumper::DependencyInfo> PluginDumper::loadDependencies(const FileP
 
     Utils::onFinished(loadQmlTypeDescription(dependenciesPaths), const_cast<PluginDumper*>(this),
             [this, iface, visited](const QFuture<PluginDumper::QmlTypeDescription> &typesFuture) {
+        if (typesFuture.resultCount() == 0 || typesFuture.isCanceled()) {
+            iface->reportCanceled();
+            return;
+        }
         PluginDumper::QmlTypeDescription typesResult = typesFuture.result();
         FilePaths newDependencies = FileUtils::toFilePathList(typesResult.dependencies);