Kobject: convert drivers/* from kobject_unregister() to kobject_put()

There is no need for kobject_unregister() anymore, thanks to Kay's
kobject cleanup changes, so replace all instances of it with
kobject_put().


Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index b61a72f..f4f709d 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -397,7 +397,7 @@
 static inline void
 efivar_unregister(struct efivar_entry *var)
 {
-	kobject_unregister(&var->kobj);
+	kobject_put(&var->kobj);
 }
 
 
@@ -732,7 +732,7 @@
 	kset_unregister(vars_kset);
 
 out_firmware_unregister:
-	kobject_unregister(efi_kobj);
+	kobject_put(efi_kobj);
 
 out_free:
 	kfree(variable_name);
@@ -753,7 +753,7 @@
 	}
 
 	kset_unregister(vars_kset);
-	kobject_unregister(efi_kobj);
+	kobject_put(efi_kobj);
 }
 
 module_init(efivars_init);