kset: convert efivars to use kset_create for the efi subsystem.

Dynamically create the kset instead of declaring it statically.

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>

diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index ebc3853..018ca1c 100644 (file)
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -573,7 +573,7 @@ static struct attribute_group efi_subsys_attr_group = {
 
 
 static decl_subsys(vars, NULL);
-static decl_subsys(efi, NULL);
+static struct kset *efi_kset;
 
 /*
  * efivar_create_sysfs_entry()
@@ -668,15 +668,14 @@ efivars_init(void)
        /*
         * For now we'll register the efi subsys within this driver
         */
-
-       error = firmware_register(&efi_subsys);
-
-       if (error) {
-               printk(KERN_ERR "efivars: Firmware registration failed with error %d.\n", error);
+       efi_kset = kset_create_and_add("efi", NULL, &firmware_kset->kobj);
+       if (!efi_kset) {
+               printk(KERN_ERR "efivars: Firmware registration failed.\n");
+               error = -ENOMEM;
                goto out_free;
        }
 
-       vars_subsys.kobj.kset = &efi_subsys;
+       vars_subsys.kobj.kset = efi_kset;
 
        error = subsystem_register(&vars_subsys);
 
@@ -728,7 +727,7 @@ efivars_init(void)
                        " due to error %d\n", error);
 
        /* Don't forget the systab entry */
-       error = sysfs_create_group(&efi_subsys.kobj, &efi_subsys_attr_group);
+       error = sysfs_create_group(&efi_kset->kobj, &efi_subsys_attr_group);
        if (error)
                printk(KERN_ERR "efivars: Sysfs attribute export failed with error %d.\n", error);
        else
@@ -737,7 +736,7 @@ efivars_init(void)
        subsystem_unregister(&vars_subsys);
 
 out_firmware_unregister:
-       firmware_unregister(&efi_subsys);
+       kset_unregister(efi_kset);
 
 out_free:
        kfree(variable_name);
@@ -758,7 +757,7 @@ efivars_exit(void)
        }
 
        subsystem_unregister(&vars_subsys);
-       firmware_unregister(&efi_subsys);
+       kset_unregister(efi_kset);
 }
 
 module_init(efivars_init);