1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index b6243cad3103..0aa50c229c79 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -535,7 +535,8 @@ static int e1000_get_eeprom(struct net_device *netdev,
 
         if (ret_val) {
                 /* a read error occurred, throw away the result */
-                memset(eeprom_buff, 0xff, sizeof(eeprom_buff));
+                memset(eeprom_buff, 0xff, sizeof(u16) *
+                       (last_word - first_word + 1));
         } else {
                 /* Device's eeprom is always little-endian, word addressable */
                 for (i = 0; i < last_word - first_word + 1; i++)