kernel_optimize_test/net/6lowpan/debugfs.c

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/* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Authors:
* (C) 2015 Pengutronix, Alexander Aring <aar@pengutronix.de>
* Copyright (c) 2015 Nordic Semiconductor. All Rights Reserved.
*/
#include <net/6lowpan.h>
#include "6lowpan_i.h"
static struct dentry *lowpan_debugfs;
int lowpan_dev_debugfs_init(struct net_device *dev)
{
struct lowpan_priv *lpriv = lowpan_priv(dev);
/* creating the root */
lpriv->iface_debugfs = debugfs_create_dir(dev->name, lowpan_debugfs);
if (!lpriv->iface_debugfs)
goto fail;
return 0;
fail:
return -EINVAL;
}
void lowpan_dev_debugfs_exit(struct net_device *dev)
{
debugfs_remove_recursive(lowpan_priv(dev)->iface_debugfs);
}
int __init lowpan_debugfs_init(void)
{
lowpan_debugfs = debugfs_create_dir("6lowpan", NULL);
if (!lowpan_debugfs)
return -EINVAL;
return 0;
}
void lowpan_debugfs_exit(void)
{
debugfs_remove_recursive(lowpan_debugfs);
}