diff options
Diffstat (limited to 'sys/dev/usb/if_ural.c')
| -rw-r--r-- | sys/dev/usb/if_ural.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/dev/usb/if_ural.c b/sys/dev/usb/if_ural.c index 3e60518..ee2348c 100644 --- a/sys/dev/usb/if_ural.c +++ b/sys/dev/usb/if_ural.c @@ -388,6 +388,7 @@ USB_ATTACH(ural) */ id = usbd_get_interface_descriptor(sc->sc_iface); + sc->sc_rx_no = sc->sc_tx_no = -1; for (i = 0; i < id->bNumEndpoints; i++) { ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); if (ed == NULL) { @@ -403,6 +404,10 @@ USB_ATTACH(ural) UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) sc->sc_tx_no = ed->bEndpointAddress; } + if (sc->sc_rx_no == -1 || sc->sc_tx_no == -1) { + printf("%s: missing endpoint\n", USBDEVNAME(sc->sc_dev)); + USB_ATTACH_ERROR_RETURN; + } mtx_init(&sc->sc_mtx, USBDEVNAME(sc->sc_dev), MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE); |
