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path: root/drivers/acpi/battery.c
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Diffstat (limited to 'drivers/acpi/battery.c')
-rw-r--r--drivers/acpi/battery.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 2b8aab560b5..3ea79decfe2 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -59,6 +59,9 @@ ACPI_MODULE_NAME("acpi_battery")
MODULE_DESCRIPTION(ACPI_BATTERY_DRIVER_NAME);
MODULE_LICENSE("GPL");
+extern struct proc_dir_entry *acpi_lock_battery_dir(void);
+extern void *acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir);
+
static int acpi_battery_add(struct acpi_device *device);
static int acpi_battery_remove(struct acpi_device *device, int type);
@@ -750,17 +753,15 @@ static int acpi_battery_remove(struct acpi_device *device, int type)
static int __init acpi_battery_init(void)
{
- int result = 0;
-
+ int result;
- acpi_battery_dir = proc_mkdir(ACPI_BATTERY_CLASS, acpi_root_dir);
+ acpi_battery_dir = acpi_lock_battery_dir();
if (!acpi_battery_dir)
return -ENODEV;
- acpi_battery_dir->owner = THIS_MODULE;
result = acpi_bus_register_driver(&acpi_battery_driver);
if (result < 0) {
- remove_proc_entry(ACPI_BATTERY_CLASS, acpi_root_dir);
+ acpi_unlock_battery_dir(acpi_battery_dir);
return -ENODEV;
}
@@ -772,7 +773,7 @@ static void __exit acpi_battery_exit(void)
acpi_bus_unregister_driver(&acpi_battery_driver);
- remove_proc_entry(ACPI_BATTERY_CLASS, acpi_root_dir);
+ acpi_unlock_battery_dir(acpi_battery_dir);
return;
}