[NETFILTER]: Fix possible overflow in netfilters do_replace()
[linux-2.6.git] / net / bridge / br.c
1 /*
2  *      Generic parts
3  *      Linux ethernet bridge
4  *
5  *      Authors:
6  *      Lennert Buytenhek               <buytenh@gnu.org>
7  *
8  *      $Id: br.c,v 1.47 2001/12/24 00:56:41 davem Exp $
9  *
10  *      This program is free software; you can redistribute it and/or
11  *      modify it under the terms of the GNU General Public License
12  *      as published by the Free Software Foundation; either version
13  *      2 of the License, or (at your option) any later version.
14  */
15
16 #include <linux/config.h>
17 #include <linux/module.h>
18 #include <linux/kernel.h>
19 #include <linux/netdevice.h>
20 #include <linux/etherdevice.h>
21 #include <linux/init.h>
22
23 #include "br_private.h"
24
25 int (*br_should_route_hook) (struct sk_buff **pskb) = NULL;
26
27 static int __init br_init(void)
28 {
29         br_fdb_init();
30
31 #ifdef CONFIG_BRIDGE_NETFILTER
32         if (br_netfilter_init())
33                 return 1;
34 #endif
35         brioctl_set(br_ioctl_deviceless_stub);
36         br_handle_frame_hook = br_handle_frame;
37
38         br_fdb_get_hook = br_fdb_get;
39         br_fdb_put_hook = br_fdb_put;
40
41         register_netdevice_notifier(&br_device_notifier);
42
43         return 0;
44 }
45
46 static void __exit br_deinit(void)
47 {
48 #ifdef CONFIG_BRIDGE_NETFILTER
49         br_netfilter_fini();
50 #endif
51         unregister_netdevice_notifier(&br_device_notifier);
52         brioctl_set(NULL);
53
54         br_cleanup_bridges();
55
56         synchronize_net();
57
58         br_fdb_get_hook = NULL;
59         br_fdb_put_hook = NULL;
60
61         br_handle_frame_hook = NULL;
62         br_fdb_fini();
63 }
64
65 EXPORT_SYMBOL(br_should_route_hook);
66
67 module_init(br_init)
68 module_exit(br_deinit)
69 MODULE_LICENSE("GPL");
70 MODULE_VERSION(BR_VERSION);