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path: root/drivers/net/macvlan.c
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Diffstat (limited to 'drivers/net/macvlan.c')
-rw-r--r--drivers/net/macvlan.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 70d3ef4a..214a8cf 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);
}
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