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Free non-legacy resources inside wl_resource_destroy
This commit makes wl_resource_destroy automatically free all non-legacy resource structures. Since wl_resource is now an opaque structure it doesn't make sense for the clients to be freeing it. This checks to make sure that it was added through wl_client_add_object or wl_client_new_object and not wl_client_add_resource before it frees it. This way if it is a legacy resources embedded in a structure somewhere we don't have an invalid free. Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
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parent
7094441b1d
commit
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1 changed files with 4 additions and 1 deletions
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@ -429,6 +429,9 @@ wl_resource_destroy(struct wl_resource *resource)
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id = resource->object.id;
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destroy_resource(resource, NULL);
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if (!(wl_map_lookup_flags(&client->objects, id) & WL_MAP_ENTRY_LEGACY))
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free(resource);
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if (id < WL_SERVER_ID_START) {
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if (client->display_resource) {
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wl_resource_queue_event(client->display_resource,
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@ -986,7 +989,7 @@ wl_client_add_object(struct wl_client *client,
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wl_resource_init(resource, interface, implementation, id, data);
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resource->client = client;
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resource->destroy = (void *) free;
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resource->destroy = NULL;
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if (wl_map_insert_at(&client->objects, 0, resource->object.id, resource) < 0) {
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wl_resource_post_error(client->display_resource,
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