Commit ffc31d3d authored by Denis V. Lunev's avatar Denis V. Lunev Committed by David S. Miller
Browse files

[NETNS]: /proc/net/arp namespacing. 



Seqfile operation showing /proc/net/arp are already namespace
aware. All we need is to register this file for each namespace.

Signed-off-by: default avatarDenis V. Lunev <den@openvz.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 49e8a279

net/ipv4/arp.c

+18 −2
Original line number Diff line number Diff line
@@ -1377,13 +1377,29 @@ static const struct file_operations arp_seq_fops = { 
	.release	= seq_release_net,

};



static int __init arp_proc_init(void)



static int __net_init arp_net_init(struct net *net)

{

	if (!proc_net_fops_create(&init_net, "arp", S_IRUGO, &arp_seq_fops))

	if (!proc_net_fops_create(net, "arp", S_IRUGO, &arp_seq_fops))

		return -ENOMEM;

	return 0;

}



static void __net_exit arp_net_exit(struct net *net)

{

	proc_net_remove(net, "arp");

}



static struct pernet_operations arp_net_ops = {

	.init = arp_net_init,

	.exit = arp_net_exit,

};



static int __init arp_proc_init(void)

{

	return register_pernet_subsys(&arp_net_ops);

}



#else /* CONFIG_PROC_FS */



static int __init arp_proc_init(void)