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From ba317dcd74baebfd8f8c8dd417ded71f6cc8c771 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Mon, 17 Apr 2017 13:27:35 +0800
Subject: [PATCH 1/5] wayland/subsurface: Handle clients committing on
destroyed subsurface
A client can still commit state to a destroyed subsurface. It wont
update anything on the screen, since the subsurface will not be
visible, but mutter should still handle it and not crash.
https://bugzilla.gnome.org/show_bug.cgi?id=781391
---
src/wayland/meta-wayland-surface.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/wayland/meta-wayland-surface.c b/src/wayland/meta-wayland-surface.c
index 99e3dfd..a6079ee 100644
--- a/src/wayland/meta-wayland-surface.c
+++ b/src/wayland/meta-wayland-surface.c
@@ -605,7 +605,7 @@ subsurface_role_get_toplevel (MetaWaylandSurfaceRole *surface_role)
meta_wayland_surface_role_get_surface (surface_role);
MetaWaylandSurface *parent = surface->sub.parent;
- if (parent->role)
+ if (parent && parent->role)
return meta_wayland_surface_role_get_toplevel (parent->role);
else
return NULL;
--
2.10.1
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