[NETNS]: Register /proc/net/rt_cache for each namespace.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 21 insertions, 3 deletions

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index af0b23a..b1a311e 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -545,7 +545,7 @@ static int ip_rt_acct_read(char *buffer, char **start, off_t offset,
 }
 #endif
 
-static __init int ip_rt_proc_init(struct net *net)
+static int __net_init ip_rt_do_proc_init(struct net *net)
 {
 	struct proc_dir_entry *pde;
 
@@ -576,8 +576,26 @@ err2:
 err1:
 	return -ENOMEM;
 }
+
+static void __net_exit ip_rt_do_proc_exit(struct net *net)
+{
+	remove_proc_entry("rt_cache", net->proc_net_stat);
+	remove_proc_entry("rt_cache", net->proc_net);
+	remove_proc_entry("rt_acct", net->proc_net);
+}
+
+static struct pernet_operations ip_rt_proc_ops __net_initdata =  {
+	.init = ip_rt_do_proc_init,
+	.exit = ip_rt_do_proc_exit,
+};
+
+static int __init ip_rt_proc_init(void)
+{
+	return register_pernet_subsys(&ip_rt_proc_ops);
+}
+
 #else
-static inline int ip_rt_proc_init(struct net *net)
+static inline int ip_rt_proc_init(void)
 {
 	return 0;
 }
@@ -3055,7 +3073,7 @@ int __init ip_rt_init(void)
 		ip_rt_secret_interval;
 	add_timer(&rt_secret_timer);
 
-	if (ip_rt_proc_init(&init_net))
+	if (ip_rt_proc_init())
 		printk(KERN_ERR "Unable to create route proc files\n");
 #ifdef CONFIG_XFRM
 	xfrm_init();