efi: add efivars kobject to efi sysfs folder

UEFI variable filesystem need a new mount point, so this patch add
efivars kobject to efi_kobj for create a /sys/firmware/efi/efivars
folder.

Cc: Matthew Garrett <mjg@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/efi.h b/include/linux/efi.h
index b2af1571592b..337aefbfb003 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -662,6 +662,7 @@ struct efivars {
         spinlock_t lock;
         struct list_head list;
         struct kset *kset;
+        struct kobject *kobject;
         struct bin_attribute *new_var, *del_var;
         const struct efivar_operations *ops;
         struct efivar_entry *walk_entry;