core/seq/seq_ports.c

196 					struct snd_seq_subscribers *subs,
220 		struct snd_seq_subscribers *subs;
224 		subs = get_subscriber(p, is_src);
226 			aport = get_client_port(&subs->info.dest, &c);
228 			aport = get_client_port(&subs->info.sender, &c);
229 		delete_and_unsubscribe_port(client, port, subs, is_src, false);
236 			if (atomic_dec_and_test(&subs->ref_count))
237 				kfree(subs);
242 		delete_and_unsubscribe_port(c, aport, subs, !is_src, true);
243 		kfree(subs);
491 				    struct snd_seq_subscribers *subs,
510 			if (match_subs_info(&subs->info, &s->info))
515 	err = subscribe_port(client, port, grp, &subs->info, ack);
524 		list_add_tail(&subs->src_list, &grp->list_head);
526 		list_add_tail(&subs->dest_list, &grp->list_head);
528 	atomic_inc(&subs->ref_count);
536 					  struct snd_seq_subscribers *subs,
544 	list = is_src ? &subs->src_list : &subs->dest_list;
553 		unsubscribe_port(client, port, grp, &subs->info, ack);
558 					struct snd_seq_subscribers *subs,
565 	__delete_and_unsubscribe_port(client, port, subs, is_src, ack);
576 	struct snd_seq_subscribers *subs;
580 	subs = kzalloc(sizeof(*subs), GFP_KERNEL);
581 	if (!subs)
584 	subs->info = *info;
585 	atomic_set(&subs->ref_count, 0);
586 	INIT_LIST_HEAD(&subs->src_list);
587 	INIT_LIST_HEAD(&subs->dest_list);
591 	err = check_and_subscribe_port(src_client, src_port, subs, true,
596 	err = check_and_subscribe_port(dest_client, dest_port, subs, false,
605 	delete_and_unsubscribe_port(src_client, src_port, subs, true,
608 	kfree(subs);
621 	struct snd_seq_subscribers *subs;
629 		list_for_each_entry(subs, &dest->list_head, dest_list) {
630 			if (match_subs_info(info, &subs->info)) {
632 							      subs, false,
642 	delete_and_unsubscribe_port(src_client, src_port, subs, true,
644 	kfree(subs);
652 				  struct snd_seq_port_subscribe *subs)
660 			*subs = s->info;