kiran-control-panel/0004-fix-wallpaper-don-t-call-xmlWriter-if-system-backgro.patch

From ae26631a045b39aeb760ada4c1cfd98783599fda Mon Sep 17 00:00:00 2001
From: yuanxing <yuanxing@kylinsec.com.cn>
Date: Fri, 25 Aug 2023 13:47:13 +0800
Subject: [PATCH 4/5] fix(wallpaper):don't call xmlWriter if system background
 xml not exists to solve segmentation fault
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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- 当系统系统壁纸xml文件不存在时，不调用xmlWriter函数，防止段错误
---
 .../wallpaper/widget/xml-management/xml-management.cpp   | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/plugins/appearance/src/pages/wallpaper/widget/xml-management/xml-management.cpp b/plugins/appearance/src/pages/wallpaper/widget/xml-management/xml-management.cpp
index 8d174ab..385eb9e 100644
--- a/plugins/appearance/src/pages/wallpaper/widget/xml-management/xml-management.cpp
+++ b/plugins/appearance/src/pages/wallpaper/widget/xml-management/xml-management.cpp
@@ -38,8 +38,8 @@ void XmlManagement::loadXmlFiles()
     if (!file.exists())
     {
         KLOG_DEBUG() << "local xml file no exist";
-        xmlReader(SYSTEM_WALLPAPER_FILE);
-        xmlWriter();
+        if (xmlReader(SYSTEM_WALLPAPER_FILE))
+            xmlWriter();
     }
     xmlReader(localFile);
 }
@@ -209,6 +209,11 @@ void XmlManagement::xmlUpdate(QList<QMap<QString, QString>> updateList)
 {
     QString localFile = QString("%1/%2").arg(QDir::homePath()).arg(LOCAL_WALLPAPER_FILE);
     QFile file(localFile);
+    if (!file.exists())
+    {
+        KLOG_DEBUG() << localFile << " doesn't exists!";
+        return;
+    }
     if (!file.open(QFile::WriteOnly | QFile::Text))
     {
         KLOG_DEBUG() << "open " << localFile << " failed!";
-- 
2.33.0