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1 | /* |
2 | * Copyright (C) 2003 Christoph Hellwig. |
3 | * Released under GPL v2. |
4 | * |
5 | * Support for old-style host templates. |
6 | * |
7 | * NOTE: Do not use this for new drivers ever. |
8 | */ |
9 | |
10 | #include <linux/init.h> |
11 | #include <linux/kernel.h> |
12 | #include <linux/module.h> |
13 | |
14 | #include <scsi/scsi_host.h> |
15 | |
16 | |
17 | static int __init init_this_scsi_driver(void) |
18 | { |
19 | struct scsi_host_template *sht = &driver_template; |
20 | struct Scsi_Host *shost; |
21 | struct list_head *l; |
22 | int error; |
23 | |
24 | if (!sht->release) { |
25 | printk(KERN_ERR |
26 | "scsi HBA driver %s didn't set a release method.\n", |
27 | sht->name); |
28 | return -EINVAL; |
29 | } |
30 | |
31 | sht->module = THIS_MODULE; |
32 | INIT_LIST_HEAD(&sht->legacy_hosts); |
33 | |
34 | sht->detect(sht); |
35 | if (list_empty(&sht->legacy_hosts)) |
36 | return -ENODEV; |
37 | |
38 | list_for_each_entry(shost, &sht->legacy_hosts, sht_legacy_list) { |
39 | error = scsi_add_host(shost, NULL); |
40 | if (error) |
41 | goto fail; |
42 | scsi_scan_host(shost); |
43 | } |
44 | return 0; |
45 | fail: |
46 | l = &shost->sht_legacy_list; |
47 | while ((l = l->prev) != &sht->legacy_hosts) |
48 | scsi_remove_host(list_entry(l, struct Scsi_Host, sht_legacy_list)); |
49 | return error; |
50 | } |
51 | |
52 | static void __exit exit_this_scsi_driver(void) |
53 | { |
54 | struct scsi_host_template *sht = &driver_template; |
55 | struct Scsi_Host *shost, *s; |
56 | |
57 | list_for_each_entry(shost, &sht->legacy_hosts, sht_legacy_list) |
58 | scsi_remove_host(shost); |
59 | list_for_each_entry_safe(shost, s, &sht->legacy_hosts, sht_legacy_list) |
60 | sht->release(shost); |
61 | |
62 | if (list_empty(&sht->legacy_hosts)) |
63 | return; |
64 | |
65 | printk(KERN_WARNING "%s did not call scsi_unregister\n", sht->name); |
66 | dump_stack(); |
67 | |
68 | list_for_each_entry_safe(shost, s, &sht->legacy_hosts, sht_legacy_list) |
69 | scsi_unregister(shost); |
70 | } |
71 | |
72 | module_init(init_this_scsi_driver); |
73 | module_exit(exit_this_scsi_driver); |
74 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9