kobject: convert efivars to use kobject_create

Using a kset for this simple directory is an overkill.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Matt Domsch <Matt_Domsch@dell.com>
Cc: Matt Tolentino <matthew.e.tolentino@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 8 insertions, 10 deletions

diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index d1ad48190af..7f9f086106c 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -573,7 +573,7 @@ static struct attribute_group efi_subsys_attr_group = {
 
 
 static struct kset *vars_kset;
-static struct kset *efi_kset;
+static struct kobject *efi_kobj;
 
 /*
  * efivar_create_sysfs_entry()
@@ -665,17 +665,15 @@ efivars_init(void)
         printk(KERN_INFO "EFI Variables Facility v%s %s\n", EFIVARS_VERSION,
                EFIVARS_DATE);
 
-        /*
-         * For now we'll register the efi subsys within this driver
-         */
-        efi_kset = kset_create_and_add("efi", NULL, firmware_kobj);
-        if (!efi_kset) {
+        /* For now we'll register the efi directory at /sys/firmware/efi */
+        efi_kobj = kobject_create_and_add("efi", firmware_kobj);
+        if (!efi_kobj) {
                 printk(KERN_ERR "efivars: Firmware registration failed.\n");
                 error = -ENOMEM;
                 goto out_free;
         }
 
-        vars_kset = kset_create_and_add("vars", NULL, &efi_kset->kobj);
+        vars_kset = kset_create_and_add("vars", NULL, efi_kobj);
         if (!vars_kset) {
                 printk(KERN_ERR "efivars: Subsystem registration failed.\n");
                 error = -ENOMEM;
@@ -725,7 +723,7 @@ efivars_init(void)
                         " due to error %d\n", error);
 
         /* Don't forget the systab entry */
-        error = sysfs_create_group(&efi_kset->kobj, &efi_subsys_attr_group);
+        error = sysfs_create_group(efi_kobj, &efi_subsys_attr_group);
         if (error)
                 printk(KERN_ERR "efivars: Sysfs attribute export failed with error %d.\n", error);
         else
@@ -734,7 +732,7 @@ efivars_init(void)
         kset_unregister(vars_kset);
 
 out_firmware_unregister:
-        kset_unregister(efi_kset);
+        kobject_unregister(efi_kobj);
 
 out_free:
         kfree(variable_name);
@@ -755,7 +753,7 @@ efivars_exit(void)
         }
 
         kset_unregister(vars_kset);
-        kset_unregister(efi_kset);
+        kobject_unregister(efi_kobj);
 }
 
 module_init(efivars_init);