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-rw-r--r--net/core/ethtool.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index a29b43d0b450..0133b5ebd545 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -323,6 +323,11 @@ static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr)
323 bytes_remaining -= eeprom.len; 323 bytes_remaining -= eeprom.len;
324 } 324 }
325 325
326 eeprom.len = userbuf - (useraddr + sizeof(eeprom));
327 eeprom.offset -= eeprom.len;
328 if (copy_to_user(useraddr, &eeprom, sizeof(eeprom)))
329 ret = -EFAULT;
330
326 kfree(data); 331 kfree(data);
327 return ret; 332 return ret;
328} 333}