netdevice: Kill netdev->priv

This is the last shoot of this series.
After I removing all directly reference of netdev->priv, I am killing
"priv" of "struct net_device" and fixing relative comments/docs.

Anyone will not be allowed to reference netdev->priv directly.
If you want to reference the memory of private data, use netdev_priv()
instead.
If the private data is not allocted when alloc_netdev(), use
netdev->ml_priv to point that memory after you creating that private
data.

Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 2 insertions, 8 deletions

diff --git a/net/atm/mpc.c b/net/atm/mpc.c
index 12e9ea371db1..039d5cc72c3d 100644
--- a/net/atm/mpc.c
+++ b/net/atm/mpc.c
@@ -341,8 +341,8 @@ static const char *mpoa_device_type_string(char type)
 }
 
 /*
- * lec device calls this via its dev->priv->lane2_ops->associate_indicator()
- * when it sees a TLV in LE_ARP packet.
+ * lec device calls this via its netdev_priv(dev)->lane2_ops
+ * ->associate_indicator() when it sees a TLV in LE_ARP packet.
  * We fill in the pointer above when we see a LANE2 lec initializing
  * See LANE2 spec 3.1.5
  *
diff --git a/net/core/dev.c b/net/core/dev.c
index 4615e9a443aa..f54cac76438a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4378,12 +4378,6 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name,
         dev->num_tx_queues = queue_count;
         dev->real_num_tx_queues = queue_count;
 
-        if (sizeof_priv) {
-                dev->priv = ((char *)dev +
-                             ((sizeof(struct net_device) + NETDEV_ALIGN_CONST)
-                              & ~NETDEV_ALIGN_CONST));
-        }
-
         dev->gso_max_size = GSO_MAX_SIZE;
 
         netdev_init_queues(dev);