// SPDX-License-Identifier: GPL-2.0-or-later/* *   ALSA sequencer /proc interface *   Copyright (c) 1998 by Frank van de Pol <fvdpol@coil.demon.nl> */ #include <linux/init.h>#include <linux/export.h>#include <sound/core.h> #include "seq_info.h"#include "seq_clientmgr.h"#include "seq_timer.h" static struct snd_info_entry *queues_entry;static struct snd_info_entry *clients_entry;static struct snd_info_entry *timer_entry;  static struct snd_info_entry * __initcreate_info_entry(char *name, void (*read)(struct snd_info_entry *,					   struct snd_info_buffer *)){	struct snd_info_entry *entry; 	entry = snd_info_create_module_entry(THIS_MODULE, name, snd_seq_root);	if (entry == NULL)		return NULL;	entry->content = SNDRV_INFO_CONTENT_TEXT;	entry->c.text.read = read;	if (snd_info_register(entry) < 0) {		snd_info_free_entry(entry);		return NULL;	}	return entry;} void snd_seq_info_done(void){	snd_info_free_entry(queues_entry);	snd_info_free_entry(clients_entry);	snd_info_free_entry(timer_entry);} /* create all our /proc entries */int __init snd_seq_info_init(void){	queues_entry = create_info_entry("queues",					 snd_seq_info_queues_read);	clients_entry = create_info_entry("clients",					  snd_seq_info_clients_read);	timer_entry = create_info_entry("timer", snd_seq_info_timer_read);	if (!queues_entry || !clients_entry || !timer_entry)		goto error;	return 0;  error:	snd_seq_info_done();	return -ENOMEM;}