1#include <linux/kernel.h>
 2#include <linux/module.h>
 3#include <linux/suspend.h>
 4
 5#include "notifier-error-inject.h"
 6
 7static int priority;
 8module_param(priority, int, 0);
 9MODULE_PARM_DESC(priority, "specify PM notifier priority");
10
11static 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
20static struct dentry *dir;
21
22static 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
38static void err_inject_exit(void)
39{
40	unregister_pm_notifier(&pm_notifier_err_inject.nb);
41	debugfs_remove_recursive(dir);
42}
43
44module_init(err_inject_init);
45module_exit(err_inject_exit);
46
47MODULE_DESCRIPTION("PM notifier error injection module");
48MODULE_LICENSE("GPL");
49MODULE_AUTHOR("Akinobu Mita <akinobu.mita@gmail.com>");

 1// SPDX-License-Identifier: GPL-2.0-only
 2#include <linux/kernel.h>
 3#include <linux/module.h>
 4#include <linux/suspend.h>
 5
 6#include "notifier-error-inject.h"
 7
 8static int priority;
 9module_param(priority, int, 0);
10MODULE_PARM_DESC(priority, "specify PM notifier priority");
11
12static struct notifier_err_inject pm_notifier_err_inject = {
13	.actions = {
14		{ NOTIFIER_ERR_INJECT_ACTION(PM_HIBERNATION_PREPARE) },
15		{ NOTIFIER_ERR_INJECT_ACTION(PM_SUSPEND_PREPARE) },
16		{ NOTIFIER_ERR_INJECT_ACTION(PM_RESTORE_PREPARE) },
17		{}
18	}
19};
20
21static struct dentry *dir;
22
23static int err_inject_init(void)
24{
25	int err;
26
27	dir = notifier_err_inject_init("pm", notifier_err_inject_dir,
28					&pm_notifier_err_inject, priority);
29	if (IS_ERR(dir))
30		return PTR_ERR(dir);
31
32	err = register_pm_notifier(&pm_notifier_err_inject.nb);
33	if (err)
34		debugfs_remove_recursive(dir);
35
36	return err;
37}
38
39static void err_inject_exit(void)
40{
41	unregister_pm_notifier(&pm_notifier_err_inject.nb);
42	debugfs_remove_recursive(dir);
43}
44
45module_init(err_inject_init);
46module_exit(err_inject_exit);
47
48MODULE_DESCRIPTION("PM notifier error injection module");
49MODULE_LICENSE("GPL");
50MODULE_AUTHOR("Akinobu Mita <akinobu.mita@gmail.com>");