On Tue, Mar 31, 2020 at 12:29 AM Bart Van Assche <bvanassche@xxxxxxx> wrote: > > On 2020-03-20 05:16, Jack Wang wrote: > > +static struct kobj_type ktype = { > > + .sysfs_ops = &kobj_sysfs_ops, > > +}; > > It seems like a release method is missing here. Will fix, thanks Bart!