From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- lib/pm-notifier-error-inject.c | 50 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 lib/pm-notifier-error-inject.c (limited to 'lib/pm-notifier-error-inject.c') diff --git a/lib/pm-notifier-error-inject.c b/lib/pm-notifier-error-inject.c new file mode 100644 index 000000000..5d89f0d90 --- /dev/null +++ b/lib/pm-notifier-error-inject.c @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0-only +#include +#include +#include + +#include "notifier-error-inject.h" + +static int priority; +module_param(priority, int, 0); +MODULE_PARM_DESC(priority, "specify PM notifier priority"); + +static struct notifier_err_inject pm_notifier_err_inject = { + .actions = { + { NOTIFIER_ERR_INJECT_ACTION(PM_HIBERNATION_PREPARE) }, + { NOTIFIER_ERR_INJECT_ACTION(PM_SUSPEND_PREPARE) }, + { NOTIFIER_ERR_INJECT_ACTION(PM_RESTORE_PREPARE) }, + {} + } +}; + +static struct dentry *dir; + +static int err_inject_init(void) +{ + int err; + + dir = notifier_err_inject_init("pm", notifier_err_inject_dir, + &pm_notifier_err_inject, priority); + if (IS_ERR(dir)) + return PTR_ERR(dir); + + err = register_pm_notifier(&pm_notifier_err_inject.nb); + if (err) + debugfs_remove_recursive(dir); + + return err; +} + +static void err_inject_exit(void) +{ + unregister_pm_notifier(&pm_notifier_err_inject.nb); + debugfs_remove_recursive(dir); +} + +module_init(err_inject_init); +module_exit(err_inject_exit); + +MODULE_DESCRIPTION("PM notifier error injection module"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Akinobu Mita "); -- cgit v1.2.3