Protect QGeoMap pointer with QPointer

m_map inside QDeclarativeGeoMap is created, but also destroyed, by the
engine.
In some cases (dynamic QML object creation/destruction) the engine may
disappear before the Map.
This patch introduces a QPointer to prevent a dangling pointer

Change-Id: Ice3c57b4dbeb96ee8d7e4d401654b9085c105dec
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/location/declarativemaps/qdeclarativegeomap_p.h b/src/location/declarativemaps/qdeclarativegeomap_p.h
index da430ce5..f08998e2 100644
--- a/src/location/declarativemaps/qdeclarativegeomap_p.h
+++ b/src/location/declarativemaps/qdeclarativegeomap_p.h
@@ -248,7 +248,7 @@ private:
     QList<QDeclarativeGeoMapType *> m_supportedMapTypes;
     QList<QDeclarativeGeoMapItemView *> m_mapViews;
     QQuickGeoMapGestureArea *m_gestureArea;
-    QGeoMap *m_map;
+    QPointer<QGeoMap> m_map;
     QPointer<QDeclarativeGeoMapCopyrightNotice> m_copyrights;
     QList<QPointer<QDeclarativeGeoMapItemBase> > m_mapItems;
     QList<QPointer<QDeclarativeGeoMapItemGroup> > m_mapItemGroups;