From e47474cf91be5fa1d12bf329526d938be8293638 Mon Sep 17 00:00:00 2001
From: Giulio Camuffo <giulio.camuffo@jollamobile.com>
Date: Thu, 20 Nov 2014 15:30:29 +0200
Subject: Don't access a dangling pointer

The surface's resource may have been destroyed, return a null client
in that case.

Change-Id: I3d7e0f0e94008e003e43f1987e6560dd73f5c5db
Reviewed-by: Laszlo Agocs <laszlo.agocs@digia.com>
---
 src/compositor/compositor_api/qwaylandsurface.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/compositor/compositor_api/qwaylandsurface.cpp b/src/compositor/compositor_api/qwaylandsurface.cpp
index 205cea7a3..54b38109f 100644
--- a/src/compositor/compositor_api/qwaylandsurface.cpp
+++ b/src/compositor/compositor_api/qwaylandsurface.cpp
@@ -92,6 +92,8 @@ QWaylandSurface::~QWaylandSurface()
 WaylandClient *QWaylandSurface::client() const
 {
     Q_D(const QWaylandSurface);
+    if (d->isDestroyed())
+        return Q_NULLPTR;
     return d->resource()->client();
 }
 
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