Fix touchpad kded crash on X11

XlibBackend::devicePlugged gets called by m_notifications, need to use deleteLater() here to avoid a user-after-free crash. BUG: 426937 (cherry picked from commit a501f098)

Fix touchpad kded crash on X11
XlibBackend::devicePlugged gets called by m_notifications, need to use deleteLater() here to avoid a user-after-free crash. BUG: 426937 (cherry picked from commit a501f098)
38b4e328 · Gabriel Souza Franco · 1476b602 · 38b4e328
--- a/kcms/touchpad/backends/x11/xlibbackend.cpp
+++ b/kcms/touchpad/backends/x11/xlibbackend.cpp
@@ -288,7 +288,8 @@ void XlibBackend::devicePlugged(int device)
        m_device.reset(findTouchpad());
        if (m_device) {
            qWarning() << "Touchpad reset";
-            m_notifications.reset();
+            // We get called by m_notifications, need to use deleteLater
+            m_notifications.release()->deleteLater();
            watchForEvents(m_keyboard != nullptr);
            Q_EMIT touchpadReset();
        }