net: dsa: kill circular reference with slave priv

The dsa_slave_priv structure does not need a pointer to its net_device.
Kill it.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 5 deletions

diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 2dae0d064359..3b6750f5e68b 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -673,10 +673,10 @@ static void dsa_slave_get_ethtool_stats(struct net_device *dev,
         struct dsa_slave_priv *p = netdev_priv(dev);
         struct dsa_switch *ds = p->parent;
 
-        data[0] = p->dev->stats.tx_packets;
-        data[1] = p->dev->stats.tx_bytes;
-        data[2] = p->dev->stats.rx_packets;
-        data[3] = p->dev->stats.rx_bytes;
+        data[0] = dev->stats.tx_packets;
+        data[1] = dev->stats.tx_bytes;
+        data[2] = dev->stats.rx_packets;
+        data[3] = dev->stats.rx_bytes;
         if (ds->drv->get_ethtool_stats != NULL)
                 ds->drv->get_ethtool_stats(ds, p->port, data + 4);
 }
@@ -1063,7 +1063,6 @@ int dsa_slave_create(struct dsa_switch *ds, struct device *parent,
         slave_dev->vlan_features = master->vlan_features;
 
         p = netdev_priv(slave_dev);
-        p->dev = slave_dev;
         p->parent = ds;
         p->port = port;