3 files changed, 12 insertions, 2 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index c599e4782d4..9ef07d0868b 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -60,6 +60,9 @@ struct wireless_dev;
 #define SET_ETHTOOL_OPS(netdev,ops) \
         ( (netdev)->ethtool_ops = (ops) )
 
+extern void netdev_set_default_ethtool_ops(struct net_device *dev,
+                                           const struct ethtool_ops *ops);
+
 /* hardware address assignment types */
 #define NET_ADDR_PERM           0       /* address is permanent (default) */
 #define NET_ADDR_RANDOM         1       /* address is generated randomly */
diff --git a/net/core/dev.c b/net/core/dev.c
index 515473ee52c..f64e439b4a0 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -6121,6 +6121,14 @@ struct netdev_queue *dev_ingress_queue_create(struct net_device *dev)
 
 static const struct ethtool_ops default_ethtool_ops;
 
+void netdev_set_default_ethtool_ops(struct net_device *dev,
+                                    const struct ethtool_ops *ops)
+{
+        if (dev->ethtool_ops == &default_ethtool_ops)
+                dev->ethtool_ops = ops;
+}
+EXPORT_SYMBOL_GPL(netdev_set_default_ethtool_ops);
+
 /**
  *      alloc_netdev_mqs - allocate network device
  *      @sizeof_priv:   size of private data to allocate space for
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 14d99040035..b677eab55b6 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -866,8 +866,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
                 /* allow mac80211 to determine the timeout */
                 wdev->ps_timeout = -1;
 
-                if (!dev->ethtool_ops)
-                        dev->ethtool_ops = &cfg80211_ethtool_ops;
+                netdev_set_default_ethtool_ops(dev, &cfg80211_ethtool_ops);
 
                 if ((wdev->iftype == NL80211_IFTYPE_STATION ||
                      wdev->iftype == NL80211_IFTYPE_P2P_CLIENT ||