So sorry, please ignore this patch. Andrew pointed that we shouldn't check return value of debugfs_. https://lore.kernel.org/all/Yl8v6OcArfqmVYj%2F@xxxxxxx/ Thanks Ruyi
So sorry, please ignore this patch. Andrew pointed that we shouldn't check return value of debugfs_. https://lore.kernel.org/all/Yl8v6OcArfqmVYj%2F@xxxxxxx/ Thanks Ruyi