meta-digi/meta-digi-dey/recipes-qt/qt5/qtwayland/0002-Compositor-Fix-crashes...

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From 3d10b7b2de61dbfb64a29f9190962f316f7012f1 Mon Sep 17 00:00:00 2001
From: Johan Klokkhammer Helsing <johan.helsing@qt.io>
Date: Mon, 21 Oct 2019 13:13:00 +0200
Subject: [PATCH] Compositor: Fix crashes when destroying uninitialized
surfaces
This happened when running qmlplugindump for QtWayland.
[ChangeLog][Compositor] Fixed a crash when destroying WaylandSurfaces and
WlShellSurfaces which had not yet been initialized.
Upstream-Status: Backport from dev branch/v5.14.0
Change-Id: Ia35cc1ccddc6146453d4dbba0ffd41a012a526e3
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
---
src/compositor/compositor_api/qwaylandsurface.cpp | 3 ++-
src/compositor/extensions/qwaylandwlshell.cpp | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/compositor/compositor_api/qwaylandsurface.cpp b/src/compositor/compositor_api/qwaylandsurface.cpp
index a82c93f7..8c866351 100644
--- a/src/compositor/compositor_api/qwaylandsurface.cpp
+++ b/src/compositor/compositor_api/qwaylandsurface.cpp
@@ -391,7 +391,8 @@ QWaylandSurface::QWaylandSurface(QWaylandSurfacePrivate &dptr)
QWaylandSurface::~QWaylandSurface()
{
Q_D(QWaylandSurface);
- QWaylandCompositorPrivate::get(d->compositor)->unregisterSurface(this);
+ if (d->compositor)
+ QWaylandCompositorPrivate::get(d->compositor)->unregisterSurface(this);
d->notifyViewsAboutDestruction();
}
diff --git a/src/compositor/extensions/qwaylandwlshell.cpp b/src/compositor/extensions/qwaylandwlshell.cpp
index 66aeb64b..92423488 100644
--- a/src/compositor/extensions/qwaylandwlshell.cpp
+++ b/src/compositor/extensions/qwaylandwlshell.cpp
@@ -466,7 +466,8 @@ QWaylandWlShellSurface::QWaylandWlShellSurface(QWaylandWlShell *shell, QWaylandS
QWaylandWlShellSurface::~QWaylandWlShellSurface()
{
Q_D(QWaylandWlShellSurface);
- QWaylandWlShellPrivate::get(d->m_shell)->unregisterShellSurface(this);
+ if (d->m_shell)
+ QWaylandWlShellPrivate::get(d->m_shell)->unregisterShellSurface(this);
}
/*!
--
2.17.1