don't bother with passing superblock to oprofile_create_stats_files()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/drivers/oprofile/oprofile_files.c b/drivers/oprofile/oprofile_files.c
index ffc30ee..07462a9 100644
--- a/drivers/oprofile/oprofile_files.c
+++ b/drivers/oprofile/oprofile_files.c
@@ -195,7 +195,7 @@
 #ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX
 	oprofilefs_create_file(root->d_sb, root, "time_slice", &timeout_fops);
 #endif
-	oprofile_create_stats_files(root->d_sb, root);
+	oprofile_create_stats_files(root);
 	if (oprofile_ops.create_files)
 		oprofile_ops.create_files(root);
 }