From 3b186ceef81e233fcaab94a10c98a582c27cfcfd Mon Sep 17 00:00:00 2001
From: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Date: Fri, 22 Mar 2024 17:23:22 +0100
Subject: [PATCH] QDbusTrayIcon: handle open() failure

QDbusTrayIcon has a convoluted workaround/hack that consists in putting
an icon file in /tmp/ and then using that path as the icon. Opening the
icon file may fail, so handle it.

Change-Id: I5d1c681e2fe3cfb23e93fd20f6758d4c83fe1578
Reviewed-by: Dmitry Shachnev <mitya57@gmail.com>
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
---
 src/gui/platform/unix/dbustray/qdbustrayicon.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/gui/platform/unix/dbustray/qdbustrayicon.cpp b/src/gui/platform/unix/dbustray/qdbustrayicon.cpp
index 5be223b510e..0dff9b598ea 100644
--- a/src/gui/platform/unix/dbustray/qdbustrayicon.cpp
+++ b/src/gui/platform/unix/dbustray/qdbustrayicon.cpp
@@ -198,7 +198,10 @@ QTemporaryFile *QDBusTrayIcon::tempIcon(const QIcon &icon)
     if (!necessary)
         return nullptr;
     QTemporaryFile *ret = new QTemporaryFile(tempFileTemplate(), this);
-    ret->open();
+    if (!ret->open()) {
+        delete ret;
+        return nullptr;
+    }
     icon.pixmap(QSize(22, 22)).save(ret);
     ret->close();
     return ret;