diff options
| -rw-r--r-- | drivers/acpi/battery.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 9c676a6f32ce..547e627611e0 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -70,6 +70,7 @@ MODULE_AUTHOR("Alexey Starikovskiy <astarikovskiy@suse.de>"); MODULE_DESCRIPTION("ACPI Battery Driver"); MODULE_LICENSE("GPL"); +static async_cookie_t async_cookie; static int battery_bix_broken_package; static int battery_notification_delay_ms; static unsigned int cache_time = 1000; @@ -1313,12 +1314,13 @@ static int __init acpi_battery_init(void) if (acpi_disabled) return -ENODEV; - async_schedule(acpi_battery_init_async, NULL); + async_cookie = async_schedule(acpi_battery_init_async, NULL); return 0; } static void __exit acpi_battery_exit(void) { + async_synchronize_cookie(async_cookie); acpi_bus_unregister_driver(&acpi_battery_driver); #ifdef CONFIG_ACPI_PROCFS_POWER acpi_unlock_battery_dir(acpi_battery_dir); |