ONETOUCH_PKT_LEN
maxp = min(maxp, ONETOUCH_PKT_LEN);
onetouch->data = usb_alloc_coherent(udev, ONETOUCH_PKT_LEN,
fail2: usb_free_coherent(udev, ONETOUCH_PKT_LEN,
usb_free_coherent(onetouch->udev, ONETOUCH_PKT_LEN,