[AX25]: Switch to using ctl_paths.

This one is almost the same as the hunks in the
first patch, but ax25 tables are created dynamically.

So this patch differs a bit to handle this case.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ax25/sysctl_net_ax25.c

@@ -31,25 +31,11 @@ static struct ctl_table_header *ax25_table_header;
 static ctl_table *ax25_table;
 static int ax25_table_size;
 
-static ctl_table ax25_dir_table[] = {
-	{
-		.ctl_name	= NET_AX25,
-		.procname	= "ax25",
-		.mode		= 0555,
-	},
-	{ .ctl_name = 0 }
-};
-
-static ctl_table ax25_root_table[] = {
-	{
-		.ctl_name	= CTL_NET,
-		.procname	= "net",
-		.mode		= 0555,
-		.child		= ax25_dir_table
-	},
-	{ .ctl_name = 0 }
+static struct ctl_path ax25_path[] = {
+	{ .procname = "net", .ctl_name = CTL_NET, },
+	{ .procname = "ax25", .ctl_name = NET_AX25, },
+	{ }
 };
-
 static const ctl_table ax25_param_table[] = {
 	{
 		.ctl_name	= NET_AX25_IP_DEFAULT_MODE,
@@ -243,9 +229,7 @@ void ax25_register_sysctl(void)
 	}
 	spin_unlock_bh(&ax25_dev_lock);
 
-	ax25_dir_table[0].child = ax25_table;
-
-	ax25_table_header = register_sysctl_table(ax25_root_table);
+	ax25_table_header = register_sysctl_paths(ax25_path, ax25_table);
 }
 
 void ax25_unregister_sysctl(void)
@@ -253,7 +237,6 @@ void ax25_unregister_sysctl(void)
 	ctl_table *p;
 	unregister_sysctl_table(ax25_table_header);
 
-	ax25_dir_table[0].child = NULL;
 	for (p = ax25_table; p->ctl_name; p++)
 		kfree(p->child);
 	kfree(ax25_table);