1512 	struct ethtool_eeprom eeprom;  in ethtool_get_any_eeprom()  local
1513 	void __user *userbuf = useraddr + sizeof(eeprom);  in ethtool_get_any_eeprom()
1518 	if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))  in ethtool_get_any_eeprom()
1522 	if (eeprom.offset + eeprom.len <= eeprom.offset)  in ethtool_get_any_eeprom()
1526 	if (eeprom.offset + eeprom.len > total_len)  in ethtool_get_any_eeprom()
1533 	bytes_remaining = eeprom.len;  in ethtool_get_any_eeprom()
1535 		eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);  in ethtool_get_any_eeprom()
1537 		ret = getter(dev, &eeprom, data);  in ethtool_get_any_eeprom()
1540 		if (copy_to_user(userbuf, data, eeprom.len)) {  in ethtool_get_any_eeprom()
1544 		userbuf += eeprom.len;  in ethtool_get_any_eeprom()
1545 		eeprom.offset += eeprom.len;  in ethtool_get_any_eeprom()
1546 		bytes_remaining -= eeprom.len;  in ethtool_get_any_eeprom()
1549 	eeprom.len = userbuf - (useraddr + sizeof(eeprom));  in ethtool_get_any_eeprom()
1550 	eeprom.offset -= eeprom.len;  in ethtool_get_any_eeprom()
1551 	if (copy_to_user(useraddr, &eeprom, sizeof(eeprom)))  in ethtool_get_any_eeprom()
1572 	struct ethtool_eeprom eeprom;  in ethtool_set_eeprom()  local
1574 	void __user *userbuf = useraddr + sizeof(eeprom);  in ethtool_set_eeprom()
1583 	if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))  in ethtool_set_eeprom()
1587 	if (eeprom.offset + eeprom.len <= eeprom.offset)  in ethtool_set_eeprom()
1591 	if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev))  in ethtool_set_eeprom()
1598 	bytes_remaining = eeprom.len;  in ethtool_set_eeprom()
1600 		eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);  in ethtool_set_eeprom()
1602 		if (copy_from_user(data, userbuf, eeprom.len)) {  in ethtool_set_eeprom()
1606 		ret = ops->set_eeprom(dev, &eeprom, data);  in ethtool_set_eeprom()
1609 		userbuf += eeprom.len;  in ethtool_set_eeprom()
1610 		eeprom.offset += eeprom.len;  in ethtool_set_eeprom()
1611 		bytes_remaining -= eeprom.len;  in ethtool_set_eeprom()