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compositor: unmap subsurface views before destroying the subsurfaces

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This is to avoid recursing into weston_compositor_build_view_list()
and therefore fix crashing when destroying a stack of visible subsurfaces
due to weston_compositor_build_view_list() being called recursively
and corrupting the lists it works on.

https://bugs.freedesktop.org/show_bug.cgi?id=79684
This commit is contained in:
George Kiagiadakis 2014-06-13 18:10:26 +02:00 committed by Jason Ekstrand
parent 549a53f186
commit ed04d38f6a
1 changed files with 6 additions and 2 deletions
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8
src/compositor.c
View File

@ -1662,8 +1662,10 @@ surface_free_unused_subsurface_views(struct weston_surface *surface)
if (sub->surface == surface)
continue;
wl_list_for_each_safe(view, nv, &sub->unused_views, surface_link)
wl_list_for_each_safe(view, nv, &sub->unused_views, surface_link) {
weston_view_unmap (view);
weston_view_destroy(view);
}
surface_free_unused_subsurface_views(sub->surface);
}
@ -2764,8 +2766,10 @@ weston_subsurface_destroy(struct weston_subsurface *sub)
assert(sub->parent_destroy_listener.notify ==
subsurface_handle_parent_destroy);
wl_list_for_each_safe(view, next, &sub->surface->views, surface_link)
wl_list_for_each_safe(view, next, &sub->surface->views, surface_link) {
weston_view_unmap(view);
weston_view_destroy(view);
}
if (sub->parent)
weston_subsurface_unlink_parent(sub);