Use default member initialization for raw pointers

Initialize to nullptr to prevent undefined behavior.

Change-Id: I7753c0be77a886d62ecb1cd7b86fc8c98340b0b8
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>

4 files changed, 6 insertions, 6 deletions

diff --git a/src/compositor/wayland_wrapper/qwlbuffermanager_p.h b/src/compositor/wayland_wrapper/qwlbuffermanager_p.h
index c1f907ff5..9243e36ea 100644
--- a/src/compositor/wayland_wrapper/qwlbuffermanager_p.h
+++ b/src/compositor/wayland_wrapper/qwlbuffermanager_p.h
@@ -71,7 +71,7 @@ private:
     static void destroy_listener_callback(wl_listener *listener, void *data);
 
     QHash<struct ::wl_resource *, ClientBuffer*> m_buffers;
-    QWaylandCompositor *m_compositor;
+    QWaylandCompositor *m_compositor = nullptr;
 };
 
 }
diff --git a/src/compositor/wayland_wrapper/qwlclientbuffer_p.h b/src/compositor/wayland_wrapper/qwlclientbuffer_p.h
index 5f3475ed7..ac8c1ed01 100644
--- a/src/compositor/wayland_wrapper/qwlclientbuffer_p.h
+++ b/src/compositor/wayland_wrapper/qwlclientbuffer_p.h
@@ -73,7 +73,7 @@ namespace QtWayland {
 struct surface_buffer_destroy_listener
 {
     struct wl_listener listener;
-    class ClientBuffer *surfaceBuffer;
+    class ClientBuffer *surfaceBuffer = nullptr;
 };
 
 class Q_WAYLAND_COMPOSITOR_EXPORT ClientBuffer
@@ -112,7 +112,7 @@ protected:
     void sendRelease();
     void setDestroyed();
 
-    struct ::wl_resource *m_buffer;
+    struct ::wl_resource *m_buffer = nullptr;
     QRegion m_damage;
     bool m_textureDirty = false;
 
diff --git a/src/compositor/wayland_wrapper/qwldatadevice_p.h b/src/compositor/wayland_wrapper/qwldatadevice_p.h
index 4cb492509..8d27f41c2 100644
--- a/src/compositor/wayland_wrapper/qwldatadevice_p.h
+++ b/src/compositor/wayland_wrapper/qwldatadevice_p.h
@@ -96,8 +96,8 @@ private:
     void setDragIcon(QWaylandSurface *icon);
 #endif
 
-    QWaylandCompositor *m_compositor;
-    QWaylandSeat *m_seat;
+    QWaylandCompositor *m_compositor = nullptr;
+    QWaylandSeat *m_seat = nullptr;
 
     DataSource *m_selectionSource = nullptr;
 
diff --git a/src/compositor/wayland_wrapper/qwldatadevicemanager_p.h b/src/compositor/wayland_wrapper/qwldatadevicemanager_p.h
index 9c6672db6..eca6d4b54 100644
--- a/src/compositor/wayland_wrapper/qwldatadevicemanager_p.h
+++ b/src/compositor/wayland_wrapper/qwldatadevicemanager_p.h
@@ -101,7 +101,7 @@ private:
     void retain();
     void finishReadFromClient(bool exhausted = false);
 
-    QWaylandCompositor *m_compositor;
+    QWaylandCompositor *m_compositor = nullptr;
     QList<DataDevice *> m_data_device_list;
 
     DataSource *m_current_selection_source = nullptr;