diff options
| -rw-r--r-- | net/ethtool/ioctl.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index f2abc3152888..999e2a6bed13 100644 --- a/net/ethtool/ioctl.c +++ b/net/ethtool/ioctl.c @@ -1537,6 +1537,10 @@ static int ethtool_get_any_eeprom(struct net_device *dev, void __user *useraddr, ret = getter(dev, &eeprom, data); if (ret) break; + if (!eeprom.len) { + ret = -EIO; + break; + } if (copy_to_user(userbuf, data, eeprom.len)) { ret = -EFAULT; break; |