tipc: Remove callback field from subscription structure

	if (!must && !(sub->filter & TIPC_SUB_PORTS))

		return;

	sub->event_cb(sub, found_lower, found_upper, event, port_ref, node);

	subscr_send_event(sub, found_lower, found_upper, event, port_ref, node);

}

/**

		subscr_terminate(subscriber);

		return NULL;

	}

	sub->event_cb = subscr_send_event;

	INIT_LIST_HEAD(&sub->nameseq_list);

	list_add(&sub->subscription_list, &subscriber->subscription_list);

	sub->server_ref = subscriber->port_ref;

struct subscription;

typedef void (*tipc_subscr_event) (struct subscription *sub,

				   u32 found_lower, u32 found_upper,

				   u32 event, u32 port_ref, u32 node);

/**

 * struct subscription - TIPC network topology subscription object

 * @seq: name sequence associated with subscription

 * @timeout: duration of subscription (in ms)

 * @filter: event filtering to be done for subscription

 * @event_cb: routine invoked when a subscription event is detected

 * @timer: timer governing subscription duration (optional)

 * @nameseq_list: adjacent subscriptions in name sequence's subscription list

 * @subscription_list: adjacent subscriptions in subscriber's subscription list

	struct tipc_name_seq seq;

	u32 timeout;

	u32 filter;

	tipc_subscr_event event_cb;

	struct timer_list timer;

	struct list_head nameseq_list;

	struct list_head subscription_list;