[DCCP]: Fix leak in net/dccp/ipv4.c
[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 #include <linux/llc.h>
23 #include <net/llc.h>
24
25 #include "br_private.h"
26
27 int (*br_should_route_hook) (struct sk_buff **pskb) = NULL;
28
29 static struct llc_sap *br_stp_sap;
30
31 static int __init br_init(void)
32 {
33         br_stp_sap = llc_sap_open(LLC_SAP_BSPAN, br_stp_rcv);
34         if (!br_stp_sap) {
35                 printk(KERN_ERR "bridge: can't register sap for STP\n");
36                 return -EBUSY;
37         }
38
39         br_fdb_init();
40
41 #ifdef CONFIG_BRIDGE_NETFILTER
42         if (br_netfilter_init())
43                 return 1;
44 #endif
45         brioctl_set(br_ioctl_deviceless_stub);
46         br_handle_frame_hook = br_handle_frame;
47
48         br_fdb_get_hook = br_fdb_get;
49         br_fdb_put_hook = br_fdb_put;
50
51         register_netdevice_notifier(&br_device_notifier);
52
53         return 0;
54 }
55
56 static void __exit br_deinit(void)
57 {
58         llc_sap_close(br_stp_sap);
59
60 #ifdef CONFIG_BRIDGE_NETFILTER
61         br_netfilter_fini();
62 #endif
63         unregister_netdevice_notifier(&br_device_notifier);
64         brioctl_set(NULL);
65
66         br_cleanup_bridges();
67
68         synchronize_net();
69
70         br_fdb_get_hook = NULL;
71         br_fdb_put_hook = NULL;
72
73         br_handle_frame_hook = NULL;
74         br_fdb_fini();
75 }
76
77 EXPORT_SYMBOL(br_should_route_hook);
78
79 module_init(br_init)
80 module_exit(br_deinit)
81 MODULE_LICENSE("GPL");
82 MODULE_VERSION(BR_VERSION);