diff options
Diffstat (limited to 'drivers/net/macvlan.c')
| -rw-r--r-- | drivers/net/macvlan.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 70d3ef4a2c5..214a8cf2b70 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -376,7 +376,8 @@ static u32 macvlan_ethtool_get_rx_csum(struct net_device *dev) const struct macvlan_dev *vlan = netdev_priv(dev); struct net_device *lowerdev = vlan->lowerdev; - if (lowerdev->ethtool_ops->get_rx_csum == NULL) + if (lowerdev->ethtool_ops == NULL || + lowerdev->ethtool_ops->get_rx_csum == NULL) return 0; return lowerdev->ethtool_ops->get_rx_csum(lowerdev); } @@ -387,7 +388,8 @@ static int macvlan_ethtool_get_settings(struct net_device *dev, const struct macvlan_dev *vlan = netdev_priv(dev); struct net_device *lowerdev = vlan->lowerdev; - if (!lowerdev->ethtool_ops->get_settings) + if (!lowerdev->ethtool_ops || + !lowerdev->ethtool_ops->get_settings) return -EOPNOTSUPP; return lowerdev->ethtool_ops->get_settings(lowerdev, cmd); @@ -398,7 +400,8 @@ static u32 macvlan_ethtool_get_flags(struct net_device *dev) const struct macvlan_dev *vlan = netdev_priv(dev); struct net_device *lowerdev = vlan->lowerdev; - if (!lowerdev->ethtool_ops->get_flags) + if (!lowerdev->ethtool_ops || + !lowerdev->ethtool_ops->get_flags) return 0; return lowerdev->ethtool_ops->get_flags(lowerdev); } |