1392 					 struct snd_seq_client_port *dport,  in check_subscription_permission()  argument
1400 		if (check_port_perm(dport, SNDRV_SEQ_PORT_CAP_NO_EXPORT))  in check_subscription_permission()
1414 		if (! check_port_perm(dport, PERM_WR))  in check_subscription_permission()
1447 	struct snd_seq_client_port *sport = NULL, *dport = NULL;  in snd_seq_ioctl_subscribe_port()  local
1459 	if ((dport = snd_seq_port_use_ptr(receiver, subs.dest.port)) == NULL)  in snd_seq_ioctl_subscribe_port()
1462 	result = check_subscription_permission(client, sport, dport, &subs);  in snd_seq_ioctl_subscribe_port()
1467 	result = snd_seq_port_connect(client, sender, sport, receiver, dport, &subs);  in snd_seq_ioctl_subscribe_port()
1474 	if (dport)  in snd_seq_ioctl_subscribe_port()
1475 		snd_seq_port_unlock(dport);  in snd_seq_ioctl_subscribe_port()
1492 	struct snd_seq_client_port *sport = NULL, *dport = NULL;  in snd_seq_ioctl_unsubscribe_port()  local
1504 	if ((dport = snd_seq_port_use_ptr(receiver, subs.dest.port)) == NULL)  in snd_seq_ioctl_unsubscribe_port()
1507 	result = check_subscription_permission(client, sport, dport, &subs);  in snd_seq_ioctl_unsubscribe_port()
1511 	result = snd_seq_port_disconnect(client, sender, sport, receiver, dport, &subs);  in snd_seq_ioctl_unsubscribe_port()
1518 	if (dport)  in snd_seq_ioctl_unsubscribe_port()
1519 		snd_seq_port_unlock(dport);  in snd_seq_ioctl_unsubscribe_port()