Merge remote-tracking branch 'origin/5.13' into 5.14

 Conflicts:
	src/corelib/codecs/qicucodec.cpp
	src/dbus/qdbusserver.cpp
	src/gui/painting/qbezier.cpp
	src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmscreen.cpp
	src/plugins/printsupport/cups/qppdprintdevice.cpp

Change-Id: I2703128bb64baf5580fbc2c2061b55b0f0611d2a

1 files changed, 6 insertions, 2 deletions

diff --git a/src/dbus/qdbusserver.cpp b/src/dbus/qdbusserver.cpp
index f2607e3e8d..eccffc3d3e 100644
--- a/src/dbus/qdbusserver.cpp
+++ b/src/dbus/qdbusserver.cpp
@@ -111,12 +111,16 @@ QDBusServer::QDBusServer(QObject *parent)
 */
 QDBusServer::~QDBusServer()
 {
-    QWriteLocker locker(&d->lock);
+    QMutex *managerMutex = nullptr;
+    if (QDBusConnectionManager::instance())
+        managerMutex = &QDBusConnectionManager::instance()->mutex;
+    QMutexLocker locker(managerMutex);
+    QWriteLocker writeLocker(&d->lock);
     if (QDBusConnectionManager::instance()) {
-        const auto locker = qt_scoped_lock(QDBusConnectionManager::instance()->mutex);
         for (const QString &name : qAsConst(d->serverConnectionNames))
             QDBusConnectionManager::instance()->removeConnection(name);
         d->serverConnectionNames.clear();
+        locker.unlock();
     }
     d->serverObject = nullptr;
     d->ref.storeRelaxed(0);