netdev - [PATCH net-2.6.26 1/5][NETNS][UDP]: Register /proc/net/udp in a namespace.

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Date:	Mon, 24 Mar 2008 13:46:58 +0300
From:	Pavel Emelyanov <xemul@...nvz.org>
To:	David Miller <davem@...emloft.net>
CC:	Linux Netdev List <netdev@...r.kernel.org>, devel@...nvz.org,
	Daniel Lezcano <dlezcano@...ibm.com>
Subject: [PATCH net-2.6.26 1/5][NETNS][UDP]: Register /proc/net/udp in a namespace.

After the commit a91275eff43a527e1a25d6d034cbcd19ee323e64 ([NETNS][IPV6]
udp - make proc handle the network namespace) it is now possible to make
this file present in newly created namespaces.

Signed-off-by: Pavel Emelyanov <xemul@...nvz.org>

---
 net/ipv4/udp.c |   19 +++++++++++++++++--
 1 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 8c1f5ea..7e7f5c2 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1701,14 +1701,29 @@ static struct udp_seq_afinfo udp4_seq_afinfo = {
 	.seq_fops	= &udp4_seq_fops,
 };
 
+static int udp4_proc_init_net(struct net *net)
+{
+	return udp_proc_register(net, &udp4_seq_afinfo);
+}
+
+static void udp4_proc_exit_net(struct net *net)
+{
+	udp_proc_unregister(net, &udp4_seq_afinfo);
+}
+
+static struct pernet_operations udp4_net_ops = {
+	.init = udp4_proc_init_net,
+	.exit = udp4_proc_exit_net,
+};
+
 int __init udp4_proc_init(void)
 {
-	return udp_proc_register(&init_net, &udp4_seq_afinfo);
+	return register_pernet_subsys(&udp4_net_ops);
 }
 
 void udp4_proc_exit(void)
 {
-	udp_proc_unregister(&init_net, &udp4_seq_afinfo);
+	unregister_pernet_subsys(&udp4_net_ops);
 }
 #endif /* CONFIG_PROC_FS */
 
-- 
1.5.3.4

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