diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 9a6450f796dc..aaa897e6ba29 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1772,6 +1772,11 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
 	} else if (!info->in || !info->out)
 		status = usbnet_get_endpoints (dev, udev);
 	else {
+		/*sanity checks */
+		if (!usb_endpoint_is_bulk_in(&udev->cur_altsetting->endpoint[info->in].desc))
+			goto out3;
+		if (!usb_endpoint_is_bulk_out(&udev->cur_altsetting->endpoint[info->out].desc))
+			goto out3;
 		dev->in = usb_rcvbulkpipe (xdev, info->in);
 		dev->out = usb_sndbulkpipe (xdev, info->out);
 		if (!(info->flags & FLAG_NO_SETINT))