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wayland: do not crash if the surface is gone

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If a queued event is being processed after the surface is
destroyed, trying to access the window associated with the surface
will lead to a segmentation fault.

This patch avoids the crash by first checking if the surface is not null.

https://bugzilla.gnome.org/show_bug.cgi?id=754715
This commit is contained in:
Olivier Fourdan 2015-09-08 11:52:10 +02:00
parent 5066eaf691
commit 443d579d40
1 changed files with 5 additions and 1 deletions
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6
src/compositor/meta-surface-actor-wayland.c
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@ -293,8 +293,12 @@ static MetaWindow *
meta_surface_actor_wayland_get_window (MetaSurfaceActor *actor) meta_surface_actor_wayland_get_window (MetaSurfaceActor *actor)
{ {
MetaSurfaceActorWaylandPrivate *priv = meta_surface_actor_wayland_get_instance_private (META_SURFACE_ACTOR_WAYLAND (actor)); MetaSurfaceActorWaylandPrivate *priv = meta_surface_actor_wayland_get_instance_private (META_SURFACE_ACTOR_WAYLAND (actor));
MetaWaylandSurface *surface = priv->surface;
return priv->surface->window; if (!surface)
return NULL;
return surface->window;
} }
static void static void