1 files changed, 14 insertions, 17 deletions

diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index a33b9fbc1d80..79a007c52558 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -437,13 +437,6 @@ static struct ctl_table ipv4_table[] = {
 		.proc_handler	= proc_dointvec
 	},
 	{
-		.procname	= "ip_local_reserved_ports",
-		.data		= NULL, /* initialized in sysctl_ipv4_init */
-		.maxlen		= 65536,
-		.mode		= 0644,
-		.proc_handler	= proc_do_large_bitmap,
-	},
-	{
 		.procname	= "igmp_max_memberships",
 		.data		= &sysctl_igmp_max_memberships,
 		.maxlen		= sizeof(int),
@@ -825,6 +818,13 @@ static struct ctl_table ipv4_net_table[] = {
 		.proc_handler	= ipv4_local_port_range,
 	},
 	{
+		.procname	= "ip_local_reserved_ports",
+		.data		= &init_net.ipv4.sysctl_local_reserved_ports,
+		.maxlen		= 65536,
+		.mode		= 0644,
+		.proc_handler	= proc_do_large_bitmap,
+	},
+	{
 		.procname	= "ip_no_pmtu_disc",
 		.data		= &init_net.ipv4.sysctl_ip_no_pmtu_disc,
 		.maxlen		= sizeof(int),
@@ -876,8 +876,14 @@ static __net_init int ipv4_sysctl_init_net(struct net *net)
 	if (net->ipv4.ipv4_hdr == NULL)
 		goto err_reg;
 
+	net->ipv4.sysctl_local_reserved_ports = kzalloc(65536 / 8, GFP_KERNEL);
+	if (!net->ipv4.sysctl_local_reserved_ports)
+		goto err_ports;
+
 	return 0;
 
+err_ports:
+	unregister_net_sysctl_table(net->ipv4.ipv4_hdr);
 err_reg:
 	if (!net_eq(net, &init_net))
 		kfree(table);
@@ -889,6 +895,7 @@ static __net_exit void ipv4_sysctl_exit_net(struct net *net)
 {
 	struct ctl_table *table;
 
+	kfree(net->ipv4.sysctl_local_reserved_ports);
 	table = net->ipv4.ipv4_hdr->ctl_table_arg;
 	unregister_net_sysctl_table(net->ipv4.ipv4_hdr);
 	kfree(table);
@@ -902,16 +909,6 @@ static __net_initdata struct pernet_operations ipv4_sysctl_ops = {
 static __init int sysctl_ipv4_init(void)
 {
 	struct ctl_table_header *hdr;
-	struct ctl_table *i;
-
-	for (i = ipv4_table; i->procname; i++) {
-		if (strcmp(i->procname, "ip_local_reserved_ports") == 0) {
-			i->data = sysctl_local_reserved_ports;
-			break;
-		}
-	}
-	if (!i->procname)
-		return -EINVAL;
 
 	hdr = register_net_sysctl(&init_net, "net/ipv4", ipv4_table);
 	if (hdr == NULL)