290 	int retval;  in ipheth_carrier_set()  local
292 	retval = usb_control_msg(udev,  in ipheth_carrier_set()
300 	if (retval < 0) {  in ipheth_carrier_set()
302 			__func__, retval);  in ipheth_carrier_set()
303 		return retval;  in ipheth_carrier_set()
327 	int retval;  in ipheth_get_macaddr()  local
329 	retval = usb_control_msg(udev,  in ipheth_get_macaddr()
338 	if (retval < 0) {  in ipheth_get_macaddr()
340 			__func__, retval);  in ipheth_get_macaddr()
341 	} else if (retval < ETH_ALEN) {  in ipheth_get_macaddr()
344 			__func__, retval);  in ipheth_get_macaddr()
345 		retval = -EINVAL;  in ipheth_get_macaddr()
348 		retval = 0;  in ipheth_get_macaddr()
351 	return retval;  in ipheth_get_macaddr()
357 	int retval;  in ipheth_rx_submit()  local
366 	retval = usb_submit_urb(dev->rx_urb, mem_flags);  in ipheth_rx_submit()
367 	if (retval)  in ipheth_rx_submit()
369 			__func__, retval);  in ipheth_rx_submit()
370 	return retval;  in ipheth_rx_submit()
377 	int retval = 0;  in ipheth_open()  local
381 	retval = ipheth_carrier_set(dev);  in ipheth_open()
382 	if (retval)  in ipheth_open()
383 		return retval;  in ipheth_open()
385 	retval = ipheth_rx_submit(dev, GFP_KERNEL);  in ipheth_open()
386 	if (retval)  in ipheth_open()
387 		return retval;  in ipheth_open()
391 	return retval;  in ipheth_open()
407 	int retval;  in ipheth_tx()  local
428 	retval = usb_submit_urb(dev->tx_urb, GFP_ATOMIC);  in ipheth_tx()
429 	if (retval) {  in ipheth_tx()
431 			__func__, retval);  in ipheth_tx()
480 	int retval;  in ipheth_probe()  local
498 		retval = -ENODEV;  in ipheth_probe()
511 		retval = -ENODEV;  in ipheth_probe()
518 		retval = -ENOMEM;  in ipheth_probe()
522 	retval = ipheth_get_macaddr(dev);  in ipheth_probe()
523 	if (retval)  in ipheth_probe()
528 	retval = ipheth_alloc_urbs(dev);  in ipheth_probe()
529 	if (retval) {  in ipheth_probe()
530 		dev_err(&intf->dev, "error allocating urbs: %d\n", retval);  in ipheth_probe()
539 	retval = register_netdev(netdev);  in ipheth_probe()
540 	if (retval) {  in ipheth_probe()
541 		dev_err(&intf->dev, "error registering netdev: %d\n", retval);  in ipheth_probe()
542 		retval = -EIO;  in ipheth_probe()
557 	return retval;  in ipheth_probe()