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1 | #include <linux/kernel.h> |
2 | #include <linux/module.h> |
3 | #include <linux/suspend.h> |
4 | |
5 | #include "notifier-error-inject.h" |
6 | |
7 | static int priority; |
8 | module_param(priority, int, 0); |
9 | MODULE_PARM_DESC(priority, "specify PM notifier priority"); |
10 | |
11 | static struct notifier_err_inject pm_notifier_err_inject = { |
12 | .actions = { |
13 | { NOTIFIER_ERR_INJECT_ACTION(PM_HIBERNATION_PREPARE) }, |
14 | { NOTIFIER_ERR_INJECT_ACTION(PM_SUSPEND_PREPARE) }, |
15 | { NOTIFIER_ERR_INJECT_ACTION(PM_RESTORE_PREPARE) }, |
16 | {} |
17 | } |
18 | }; |
19 | |
20 | static struct dentry *dir; |
21 | |
22 | static int err_inject_init(void) |
23 | { |
24 | int err; |
25 | |
26 | dir = notifier_err_inject_init("pm", notifier_err_inject_dir, |
27 | &pm_notifier_err_inject, priority); |
28 | if (IS_ERR(dir)) |
29 | return PTR_ERR(dir); |
30 | |
31 | err = register_pm_notifier(&pm_notifier_err_inject.nb); |
32 | if (err) |
33 | debugfs_remove_recursive(dir); |
34 | |
35 | return err; |
36 | } |
37 | |
38 | static void err_inject_exit(void) |
39 | { |
40 | unregister_pm_notifier(&pm_notifier_err_inject.nb); |
41 | debugfs_remove_recursive(dir); |
42 | } |
43 | |
44 | module_init(err_inject_init); |
45 | module_exit(err_inject_exit); |
46 | |
47 | MODULE_DESCRIPTION("PM notifier error injection module"); |
48 | MODULE_LICENSE("GPL"); |
49 | MODULE_AUTHOR("Akinobu Mita <akinobu.mita@gmail.com>"); |
50 |
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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