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wayland: Ensure to remove destroy listener for MetaWaylandBuffer

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Avoid the chance of invalid memory access by leaving the wl_listener
behind when handling the destroy notification.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2588>
This commit is contained in:
Carlos Garnacho 2022-08-19 17:13:01 +02:00 committed by Marge Bot
parent f4f39d3a2c
commit 9c402bd091
1 changed files with 2 additions and 1 deletions
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src/wayland/meta-wayland-buffer.c
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@ -89,6 +89,7 @@ meta_wayland_buffer_destroy_handler (struct wl_listener *listener,
wl_container_of (listener, buffer, destroy_listener); wl_container_of (listener, buffer, destroy_listener);
buffer->resource = NULL; buffer->resource = NULL;
wl_list_remove (&buffer->destroy_listener.link);
g_signal_emit (buffer, signals[RESOURCE_DESTROYED], 0); g_signal_emit (buffer, signals[RESOURCE_DESTROYED], 0);
g_object_unref (buffer); g_object_unref (buffer);
} }