diff --git a/fs/efivarfs/inode.c b/fs/efivarfs/inode.c
index 7e787fb..07ab497 100644
--- a/fs/efivarfs/inode.c
+++ b/fs/efivarfs/inode.c
@@ -155,20 +155,8 @@
 	return 0;
 };
 
-/*
- * Handle negative dentry.
- */
-static struct dentry *efivarfs_lookup(struct inode *dir, struct dentry *dentry,
-				      unsigned int flags)
-{
-	if (dentry->d_name.len > NAME_MAX)
-		return ERR_PTR(-ENAMETOOLONG);
-	d_add(dentry, NULL);
-	return NULL;
-}
-
 const struct inode_operations efivarfs_dir_inode_operations = {
-	.lookup = efivarfs_lookup,
+	.lookup = simple_lookup,
 	.unlink = efivarfs_unlink,
 	.create = efivarfs_create,
 };