--- backend/usb-libusb.c.orig 2016-06-14 19:45:32.000000000 +0200 +++ backend/usb-libusb.c 2016-09-08 08:05:20.739056000 +0200 @@ -1441,7 +1441,7 @@ open_device(usb_printer_t *printer, /* I * works without the module attached. */ - errcode = libusb_kernel_driver_active(printer->handle, printer->iface); + errcode = 0; if (errcode == 0) printer->usblp_attached = 0; else if (errcode == 1)