On Wed, 22 May 2019, Laurentiu Tudor wrote: > >> +EXPORT_SYMBOL_GPL(usb_hcd_setup_local_mem); > > > > If you have a usb_hcd_setup_local_mem() function then you should also > > have a usb_hcd_remove_local_mem() function. > > Even if all resources that are allocated are device managed? Ah, I missed that fact. Okay, that's all right. Alan Stern