From 1040728e39b8b898d6e96b79a4c7bfcd0cb3f027 Mon Sep 17 00:00:00 2001
From: Thiago Macieira <thiago.macieira@intel.com>
Date: Mon, 17 Feb 2025 20:16:55 +0100
Subject: [PATCH] GUI: no need to unregister input device if list is destroyed

Fixes: QTBUG-133776
Pick-to: 6.9 6.8
Change-Id: If4a148e3ebf753ccd661a5ed1b321dbd7751576e
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
Reviewed-by: Liang Qi <liang.qi@qt.io>
---
 src/gui/kernel/qinputdevice.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gui/kernel/qinputdevice.cpp b/src/gui/kernel/qinputdevice.cpp
index 3ef8ad10c7d..25f16c4a7d8 100644
--- a/src/gui/kernel/qinputdevice.cpp
+++ b/src/gui/kernel/qinputdevice.cpp
@@ -356,6 +356,9 @@ void QInputDevicePrivate::registerDevice(const QInputDevice *dev)
 */
 void QInputDevicePrivate::unregisterDevice(const QInputDevice *dev)
 {
+    if (deviceList.isDestroyed())
+        return;     // nothing to remove!
+
     QMutexLocker lock(&devicesMutex);
     deviceList()->removeOne(dev);
     qCInfo(lcQpaInputDevices) << "Unregistered" << dev;