On Mon, Nov 14, 2016 at 02:32:35PM +0200, Heikki Krogerus wrote: > > > +static void __exit typec_exit(void) > > > +{ > > > + class_unregister(&typec_class); > > > > You forgot to clean up your idr :( > > Sorry, what idr? The port ids get removed in typec_release().
You have a static idr structure in the driver, right? You have to clean it up when your code is going away so that it will free any memory it had allocated with a call to idr_destroy() on module exit. thanks, greg k-h