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/*
* NET4: Sysctl interface to net af_unix subsystem.
*
* Authors: Mike Shaver.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/sysctl.h>
#include <net/af_unix.h>
static ctl_table unix_table[] = {
{
.procname = "max_dgram_qlen",
.data = &init_net.unx.sysctl_max_dgram_qlen,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec
},
{ }
};
static struct ctl_path unix_path[] = {
{ .procname = "net", },
{ .procname = "unix", },
{ },
};
int __net_init unix_sysctl_register(struct net *net)
{
struct ctl_table *table;
table = kmemdup(unix_table, sizeof(unix_table), GFP_KERNEL);
if (table == NULL)
goto err_alloc;
table[0].data = &net->unx.sysctl_max_dgram_qlen;
net->unx.ctl = register_net_sysctl_table(net, unix_path, table);
if (net->unx.ctl == NULL)
goto err_reg;
return 0;
err_reg:
kfree(table);
err_alloc:
return -ENOMEM;
}
void unix_sysctl_unregister(struct net *net)
{
struct ctl_table *table;
table = net->unx.ctl->ctl_table_arg;
unregister_sysctl_table(net->unx.ctl);
kfree(table);
}
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