diff options
Diffstat (limited to 'net/ethtool/ioctl.c')
| -rw-r--r-- | net/ethtool/ioctl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index e18823bf2330..ae041f51cd2d 100644 --- a/net/ethtool/ioctl.c +++ b/net/ethtool/ioctl.c @@ -442,6 +442,9 @@ int __ethtool_get_link_ksettings(struct net_device *dev, if (!dev->ethtool_ops->get_link_ksettings) return -EOPNOTSUPP; + if (!netif_device_present(dev)) + return -ENODEV; + memset(link_ksettings, 0, sizeof(*link_ksettings)); return dev->ethtool_ops->get_link_ksettings(dev, link_ksettings); } |