Commit c0776822 authored by Nisar Sayed's avatar Nisar Sayed Committed by David S. Miller

lan78xx: Allow EEPROM write for less than MAX_EEPROM_SIZE

Allow EEPROM write for less than MAX_EEPROM_SIZE

Fixes: 55d7de9d ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver")
Signed-off-by: default avatarNisar Sayed <Nisar.Sayed@microchip.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8a7ffeb7
...@@ -1290,11 +1290,10 @@ static int lan78xx_ethtool_set_eeprom(struct net_device *netdev, ...@@ -1290,11 +1290,10 @@ static int lan78xx_ethtool_set_eeprom(struct net_device *netdev,
if (ret) if (ret)
return ret; return ret;
/* Allow entire eeprom update only */ /* Invalid EEPROM_INDICATOR at offset zero will result in a failure
if ((ee->magic == LAN78XX_EEPROM_MAGIC) && * to load data from EEPROM
(ee->offset == 0) && */
(ee->len == 512) && if (ee->magic == LAN78XX_EEPROM_MAGIC)
(data[0] == EEPROM_INDICATOR))
ret = lan78xx_write_raw_eeprom(dev, ee->offset, ee->len, data); ret = lan78xx_write_raw_eeprom(dev, ee->offset, ee->len, data);
else if ((ee->magic == LAN78XX_OTP_MAGIC) && else if ((ee->magic == LAN78XX_OTP_MAGIC) &&
(ee->offset == 0) && (ee->offset == 0) &&
......
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