core/seq/seq_clientmgr.c

719 	struct snd_seq_subscribers *subs;
735 	list_for_each_entry(subs, &grp->list_head, src_list) {
737 		if (atomic_read(&subs->ref_count) != 2)
739 		event->dest = subs->info.dest;
740 		if (subs->info.flags & SNDRV_SEQ_PORT_SUBS_TIMESTAMP)
742 			update_timestamp_of_queue(event, subs->info.queue,
743 						  subs->info.flags & SNDRV_SEQ_PORT_SUBS_TIME_REAL);
1432 					 struct snd_seq_port_subscribe *subs)
1434 	if (client->number != subs->sender.client &&
1435 	    client->number != subs->dest.client) {
1447 	if (client->number != subs->sender.client) {
1452 	if (client->number != subs->dest.client) {
1484 	struct snd_seq_port_subscribe *subs = arg;
1489 	receiver = snd_seq_client_use_ptr(subs->dest.client);
1492 	sender = snd_seq_client_use_ptr(subs->sender.client);
1495 	sport = snd_seq_port_use_ptr(sender, subs->sender.port);
1498 	dport = snd_seq_port_use_ptr(receiver, subs->dest.port);
1502 	result = check_subscription_permission(client, sport, dport, subs);
1507 	result = snd_seq_port_connect(client, sender, sport, receiver, dport, subs);
1510 						   subs, SNDRV_SEQ_EVENT_PORT_SUBSCRIBED);
1530 	struct snd_seq_port_subscribe *subs = arg;
1535 	receiver = snd_seq_client_use_ptr(subs->dest.client);
1538 	sender = snd_seq_client_use_ptr(subs->sender.client);
1541 	sport = snd_seq_port_use_ptr(sender, subs->sender.port);
1544 	dport = snd_seq_port_use_ptr(receiver, subs->dest.port);
1548 	result = check_subscription_permission(client, sport, dport, subs);
1552 	result = snd_seq_port_disconnect(client, sender, sport, receiver, dport, subs);
1555 						   subs, SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED);
1951 	struct snd_seq_port_subscribe *subs = arg;
1957 	sender = snd_seq_client_use_ptr(subs->sender.client);
1960 	sport = snd_seq_port_use_ptr(sender, subs->sender.port);
1963 	result = snd_seq_port_get_subscription(&sport->c_src, &subs->dest,
1964 					       subs);
1980 	struct snd_seq_query_subs *subs = arg;
1988 	cptr = snd_seq_client_use_ptr(subs->root.client);
1991 	port = snd_seq_port_use_ptr(cptr, subs->root.port);
1995 	switch (subs->type) {
2008 	subs->num_subs = group->count;
2012 		if (i++ == subs->index) {
2015 			if (subs->type == SNDRV_SEQ_QUERY_SUBS_READ) {
2017 				subs->addr = s->info.dest;
2020 				subs->addr = s->info.sender;
2022 			subs->flags = s->info.flags;
2023 			subs->queue = s->info.queue;