don't pass superblock to hypfs_diag_create_files

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 7062721..aa5de3f 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -195,7 +195,7 @@
 	if (MACHINE_IS_VM)
 		rc = hypfs_vm_create_files(sb->s_root);
 	else
-		rc = hypfs_diag_create_files(sb, sb->s_root);
+		rc = hypfs_diag_create_files(sb->s_root);
 	if (rc) {
 		pr_err("Updating the hypfs tree failed\n");
 		hypfs_delete_tree(sb->s_root);
@@ -304,7 +304,7 @@
 	if (MACHINE_IS_VM)
 		rc = hypfs_vm_create_files(root_dentry);
 	else
-		rc = hypfs_diag_create_files(sb, root_dentry);
+		rc = hypfs_diag_create_files(root_dentry);
 	if (rc)
 		return rc;
 	sbi->update_file = hypfs_create_update_file(sb, root_dentry);