3 files changed, 29 insertions, 40 deletions

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 214a8cf2b708..329cd50d0e29 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -374,36 +374,20 @@ static void macvlan_ethtool_get_drvinfo(struct net_device *dev,
 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 == NULL ||
-            lowerdev->ethtool_ops->get_rx_csum == NULL)
-                return 0;
-        return lowerdev->ethtool_ops->get_rx_csum(lowerdev);
+        return dev_ethtool_get_rx_csum(vlan->lowerdev);
 }
 
 static int macvlan_ethtool_get_settings(struct net_device *dev,
                                         struct ethtool_cmd *cmd)
 {
         const struct macvlan_dev *vlan = netdev_priv(dev);
-        struct net_device *lowerdev = vlan->lowerdev;
-
-        if (!lowerdev->ethtool_ops ||
-            !lowerdev->ethtool_ops->get_settings)
-                return -EOPNOTSUPP;
-
-        return lowerdev->ethtool_ops->get_settings(lowerdev, cmd);
+        return dev_ethtool_get_settings(vlan->lowerdev, cmd);
 }
 
 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 ||
-            !lowerdev->ethtool_ops->get_flags)
-                return 0;
-        return lowerdev->ethtool_ops->get_flags(lowerdev);
+        return dev_ethtool_get_flags(vlan->lowerdev);
 }
 
 static const struct ethtool_ops macvlan_ethtool_ops = {
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 54db3ebf2193..31167451d08d 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -42,6 +42,7 @@
 #include <linux/dmaengine.h>
 #include <linux/workqueue.h>
 
+#include <linux/ethtool.h>
 #include <net/net_namespace.h>
 #include <net/dsa.h>
 #ifdef CONFIG_DCB
@@ -49,7 +50,6 @@
 #endif
 
 struct vlan_group;
-struct ethtool_ops;
 struct netpoll_info;
 /* 802.11 specific */
 struct wireless_dev;
@@ -1906,6 +1906,28 @@ static inline int skb_bond_should_drop(struct sk_buff *skb)
 }
 
 extern struct pernet_operations __net_initdata loopback_net_ops;
+
+static inline int dev_ethtool_get_settings(struct net_device *dev,
+                                           struct ethtool_cmd *cmd)
+{
+        if (!dev->ethtool_ops || !dev->ethtool_ops->get_settings)
+                return -EOPNOTSUPP;
+        return dev->ethtool_ops->get_settings(dev, cmd);
+}
+
+static inline u32 dev_ethtool_get_rx_csum(struct net_device *dev)
+{
+        if (!dev->ethtool_ops || !dev->ethtool_ops->get_rx_csum)
+                return 0;
+        return dev->ethtool_ops->get_rx_csum(dev);
+}
+
+static inline u32 dev_ethtool_get_flags(struct net_device *dev)
+{
+        if (!dev->ethtool_ops || !dev->ethtool_ops->get_flags)
+                return 0;
+        return dev->ethtool_ops->get_flags(dev);
+}
 #endif /* __KERNEL__ */
 
 #endif  /* _LINUX_DEV_H */
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 6b0921364014..04dc8c8a6854 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -666,13 +666,7 @@ static int vlan_ethtool_get_settings(struct net_device *dev,
                                      struct ethtool_cmd *cmd)
 {
         const struct vlan_dev_info *vlan = vlan_dev_info(dev);
-        struct net_device *real_dev = vlan->real_dev;
-
-        if (!real_dev->ethtool_ops ||
-            !real_dev->ethtool_ops->get_settings)
-                return -EOPNOTSUPP;
-
-        return real_dev->ethtool_ops->get_settings(real_dev, cmd);
+        return dev_ethtool_get_settings(vlan->real_dev, cmd);
 }
 
 static void vlan_ethtool_get_drvinfo(struct net_device *dev,
@@ -686,24 +680,13 @@ static void vlan_ethtool_get_drvinfo(struct net_device *dev,
 static u32 vlan_ethtool_get_rx_csum(struct net_device *dev)
 {
         const struct vlan_dev_info *vlan = vlan_dev_info(dev);
-        struct net_device *real_dev = vlan->real_dev;
-
-        if (real_dev->ethtool_ops == NULL ||
-            real_dev->ethtool_ops->get_rx_csum == NULL)
-                return 0;
-        return real_dev->ethtool_ops->get_rx_csum(real_dev);
+        return dev_ethtool_get_rx_csum(vlan->real_dev);
 }
 
 static u32 vlan_ethtool_get_flags(struct net_device *dev)
 {
         const struct vlan_dev_info *vlan = vlan_dev_info(dev);
-        struct net_device *real_dev = vlan->real_dev;
-
-        if (!(real_dev->features & NETIF_F_HW_VLAN_RX) ||
-            real_dev->ethtool_ops == NULL ||
-            real_dev->ethtool_ops->get_flags == NULL)
-                return 0;
-        return real_dev->ethtool_ops->get_flags(real_dev);
+        return dev_ethtool_get_flags(vlan->real_dev);
 }
 
 static const struct ethtool_ops vlan_ethtool_ops = {