From 46e7b8d8d53bcde075dca6da3a3816a663073499 Mon Sep 17 00:00:00 2001 From: Vivien Didelot Date: Mon, 18 Apr 2016 16:10:24 -0400 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- net/dsa/dsa_priv.h | 5 ----- net/dsa/slave.c | 9 ++++----- 2 files changed, 4 insertions(+), 10 deletions(-) diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h index 1d1a54687e4a..dfa33779d49c 100644 --- a/net/dsa/dsa_priv.h +++ b/net/dsa/dsa_priv.h @@ -22,11 +22,6 @@ struct dsa_device_ops { }; struct dsa_slave_priv { - /* - * The linux network interface corresponding to this - * switch port. - */ - struct net_device *dev; struct sk_buff * (*xmit)(struct sk_buff *skb, struct net_device *dev); 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;