Pull smart-battery into release branch

1 files changed, 7 insertions, 5 deletions

diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 69a98da13913..24ccf81d135f 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -50,6 +50,9 @@ ACPI_MODULE_NAME("acpi_ac")
 MODULE_DESCRIPTION(ACPI_AC_DRIVER_NAME);
 MODULE_LICENSE("GPL");
 
+extern struct proc_dir_entry *acpi_lock_ac_dir(void);
+extern void *acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir);
+
 static int acpi_ac_add(struct acpi_device *device);
 static int acpi_ac_remove(struct acpi_device *device, int type);
 static int acpi_ac_open_fs(struct inode *inode, struct file *file);
@@ -280,17 +283,16 @@ static int acpi_ac_remove(struct acpi_device *device, int type)
 
 static int __init acpi_ac_init(void)
 {
-        int result = 0;
+        int result;
 
 
-        acpi_ac_dir = proc_mkdir(ACPI_AC_CLASS, acpi_root_dir);
+        acpi_ac_dir = acpi_lock_ac_dir();
         if (!acpi_ac_dir)
                 return -ENODEV;
-        acpi_ac_dir->owner = THIS_MODULE;
 
         result = acpi_bus_register_driver(&acpi_ac_driver);
         if (result < 0) {
-                remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir);
+                acpi_unlock_ac_dir(acpi_ac_dir);
                 return -ENODEV;
         }
 
@@ -302,7 +304,7 @@ static void __exit acpi_ac_exit(void)
 
         acpi_bus_unregister_driver(&acpi_ac_driver);
 
-        remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir);
+        acpi_unlock_ac_dir(acpi_ac_dir);
 
         return;
 }