diff options
| -rw-r--r-- | drivers/usb/atm/cxacru.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c index 593fc5e2d2e6..1c320bfa6fb7 100644 --- a/drivers/usb/atm/cxacru.c +++ b/drivers/usb/atm/cxacru.c @@ -1324,8 +1324,24 @@ static struct usbatm_driver cxacru_driver = { .tx_padding = 11, }; -static int cxacru_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) +static int cxacru_usb_probe(struct usb_interface *intf, + const struct usb_device_id *id) { + struct usb_device *usb_dev = interface_to_usbdev(intf); + char buf[15]; + + /* Avoid ADSL routers (cx82310_eth). + * Abort if bDeviceClass is 0xff and iProduct is "USB NET CARD". + */ + if (usb_dev->descriptor.bDeviceClass == USB_CLASS_VENDOR_SPEC + && usb_string(usb_dev, usb_dev->descriptor.iProduct, + buf, sizeof(buf)) > 0) { + if (!strcmp(buf, "USB NET CARD")) { + dev_info(&intf->dev, "ignoring cx82310_eth device\n"); + return -ENODEV; + } + } + return usbatm_usb_probe(intf, id, &cxacru_driver); } |