From d546cafda446a73206b5a862c614fc96c732bd7c Mon Sep 17 00:00:00 2001
From: shenleban tongying <shenlebantongying@gmail.com>
Date: Tue, 19 Mar 2024 03:18:21 -0400
Subject: [PATCH] fix: a crash when qrcx:// fails.

The reply here might be nullptr.
---
 src/resourceschemehandler.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/resourceschemehandler.cc b/src/resourceschemehandler.cc
index a4cd2ec6..8aaad1b9 100644
--- a/src/resourceschemehandler.cc
+++ b/src/resourceschemehandler.cc
@@ -12,7 +12,12 @@ void ResourceSchemeHandler::requestStarted( QWebEngineUrlRequestJob * requestJob
   const QMimeType mineType                    = db.mimeTypeForUrl( url );
   const sptr< Dictionary::DataRequest > reply = this->mManager.getResource( url, content_type );
   content_type                                = mineType.name();
-  if ( reply->isFinished() ) {
+
+  if ( reply == nullptr ) {
+    qDebug() << "Resource failed to load: " << url.toString();
+    requestJob->fail( QWebEngineUrlRequestJob::RequestFailed );
+  }
+  else if ( reply->isFinished() ) {
     replyJob( reply, requestJob, content_type );
   }
   else