[PATCH net 2/3] lan78xx: Allow EEPROM write for less than MAX_EEPROM_SIZE

[Nisar.Sayed]

From: Nisar Sayed <nisar.sa...@microchip.com>

Allow EEPROM write for less than MAX_EEPROM_SIZE

Signed-off-by: Nisar Sayed <nisar.sa...@microchip.com>
---
 drivers/net/usb/lan78xx.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index baf91c7..94ef943 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -1299,6 +1299,10 @@ static int lan78xx_ethtool_set_eeprom(struct net_device 
*netdev,
                 (ee->len == 512) &&
                 (data[0] == OTP_INDICATOR_1))
                ret = lan78xx_write_raw_otp(dev, ee->offset, ee->len, data);
+       else if ((ee->magic == LAN78XX_EEPROM_MAGIC) &&
+                (ee->offset >= 0 && ee->offset < MAX_EEPROM_SIZE) &&
+                (ee->len > 0 && (ee->offset + ee->len) <= MAX_EEPROM_SIZE))
+               ret = lan78xx_write_raw_eeprom(dev, ee->offset, ee->len, data);
 
        usb_autopm_put_interface(dev->intf);
 
-- 
1.9.1