1 files changed, 9 insertions, 118 deletions
diff --git a/net/netfilter/nf_sysctl.c b/net/netfilter/nf_sysctl.c
index ee34589e48a..d9fcc893301 100644
--- a/net/netfilter/nf_sysctl.c
+++ b/net/netfilter/nf_sysctl.c
@@ -7,128 +7,19 @@
 #include <linux/string.h>
 #include <linux/slab.h>
 
-static void
-path_free(struct ctl_table *path, struct ctl_table *table)
-{
-	struct ctl_table *t, *next;
-
-	for (t = path; t != NULL && t != table; t = next) {
-		next = t->child;
-		kfree(t);
-	}
-}
-
-static struct ctl_table *
-path_dup(struct ctl_table *path, struct ctl_table *table)
-{
-	struct ctl_table *t, *last = NULL, *tmp;
-
-	for (t = path; t != NULL; t = t->child) {
-		/* twice the size since path elements are terminated by an
-		 * empty element */
-		tmp = kmemdup(t, 2 * sizeof(*t), GFP_KERNEL);
-		if (tmp == NULL) {
-			if (last != NULL)
-				path_free(path, table);
-			return NULL;
-		}
-
-		if (last != NULL)
-			last->child = tmp;
-		else
-			path = tmp;
-		last = tmp;
-	}
-
-	if (last != NULL)
-		last->child = table;
-	else
-		path = table;
-
-	return path;
-}
-
-struct ctl_table_header *
-nf_register_sysctl_table(struct ctl_table *path, struct ctl_table *table)
-{
-	struct ctl_table_header *header;
-
-	path = path_dup(path, table);
-	if (path == NULL)
-		return NULL;
-	header = register_sysctl_table(path);
-	if (header == NULL)
-		path_free(path, table);
-	return header;
-}
-EXPORT_SYMBOL_GPL(nf_register_sysctl_table);
-
-void
-nf_unregister_sysctl_table(struct ctl_table_header *header,
-			   struct ctl_table *table)
-{
-	struct ctl_table *path = header->ctl_table;
-
-	unregister_sysctl_table(header);
-	path_free(path, table);
-}
-EXPORT_SYMBOL_GPL(nf_unregister_sysctl_table);
-
 /* net/netfilter */
-static struct ctl_table nf_net_netfilter_table[] = {
-	{
-		.ctl_name	= NET_NETFILTER,
-		.procname	= "netfilter",
-		.mode		= 0555,
-	},
-	{
-		.ctl_name	= 0
-	}
-};
-struct ctl_table nf_net_netfilter_sysctl_path[] = {
-	{
-		.ctl_name	= CTL_NET,
-		.procname	= "net",
-		.mode		= 0555,
-		.child		= nf_net_netfilter_table,
-	},
-	{
-		.ctl_name	= 0
-	}
+struct ctl_path nf_net_netfilter_sysctl_path[] = {
+	{ .procname = "net", .ctl_name = CTL_NET, },
+	{ .procname = "netfilter", .ctl_name = NET_NETFILTER, },
+	{ }
 };
 EXPORT_SYMBOL_GPL(nf_net_netfilter_sysctl_path);
 
 /* net/ipv4/netfilter */
-static struct ctl_table nf_net_ipv4_netfilter_table[] = {
-	{
-		.ctl_name	= NET_IPV4_NETFILTER,
-		.procname	= "netfilter",
-		.mode		= 0555,
-	},
-	{
-		.ctl_name	= 0
-	}
-};
-static struct ctl_table nf_net_ipv4_table[] = {
-	{
-		.ctl_name	= NET_IPV4,
-		.procname	= "ipv4",
-		.mode		= 0555,
-		.child		= nf_net_ipv4_netfilter_table,
-	},
-	{
-		.ctl_name	= 0
-	}
-};
-struct ctl_table nf_net_ipv4_netfilter_sysctl_path[] = {
-	{
-		.ctl_name	= CTL_NET,
-		.procname	= "net",
-		.mode		= 0555,
-		.child		= nf_net_ipv4_table,
-	},
-	{
-		.ctl_name	= 0
-	}
+struct ctl_path nf_net_ipv4_netfilter_sysctl_path[] = {
+	{ .procname = "net", .ctl_name = CTL_NET, },
+	{ .procname = "ipv4", .ctl_name = NET_IPV4, },
+	{ .procname = "netfilter", .ctl_name = NET_IPV4_NETFILTER, },
+	{ }
 };
 EXPORT_SYMBOL_GPL(nf_net_ipv4_netfilter_sysctl_path);