1447 	struct snd_seq_client *receiver = NULL, *sender = NULL;  in snd_seq_ioctl_subscribe_port()  local
1450 	if ((receiver = snd_seq_client_use_ptr(subs->dest.client)) == NULL)  in snd_seq_ioctl_subscribe_port()
1456 	if ((dport = snd_seq_port_use_ptr(receiver, subs->dest.port)) == NULL)  in snd_seq_ioctl_subscribe_port()
1464 	result = snd_seq_port_connect(client, sender, sport, receiver, dport, subs);  in snd_seq_ioctl_subscribe_port()
1475 	if (receiver)  in snd_seq_ioctl_subscribe_port()
1476 		snd_seq_client_unlock(receiver);  in snd_seq_ioctl_subscribe_port()
1489 	struct snd_seq_client *receiver = NULL, *sender = NULL;  in snd_seq_ioctl_unsubscribe_port()  local
1492 	if ((receiver = snd_seq_client_use_ptr(subs->dest.client)) == NULL)  in snd_seq_ioctl_unsubscribe_port()
1498 	if ((dport = snd_seq_port_use_ptr(receiver, subs->dest.port)) == NULL)  in snd_seq_ioctl_unsubscribe_port()
1505 	result = snd_seq_port_disconnect(client, sender, sport, receiver, dport, subs);  in snd_seq_ioctl_unsubscribe_port()
1516 	if (receiver)  in snd_seq_ioctl_unsubscribe_port()
1517 		snd_seq_client_unlock(receiver);  in snd_seq_ioctl_unsubscribe_port()