[NET] NETNS: Omit net_device->nd_net without CONFIG_NET_NS.

Introduce per-net_device inlines: dev_net(), dev_net_set().
Without CONFIG_NET_NS, no namespace other than &init_net exists.
Let's explicitly define them to help compiler optimizations.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

13 files changed, 20 insertions, 20 deletions

diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index cb3c6faa7888..457d81f73e39 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -2429,7 +2429,7 @@ int bond_3ad_lacpdu_recv(struct sk_buff *skb, struct net_device *dev, struct pac
         struct slave *slave = NULL;
         int ret = NET_RX_DROP;
 
-        if (dev->nd_net != &init_net)
+        if (dev_net(dev) != &init_net)
                 goto out;
 
         if (!(dev->flags & IFF_MASTER))
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index b57bc9467dbe..b986dacf5d33 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -345,7 +345,7 @@ static int rlb_arp_recv(struct sk_buff *skb, struct net_device *bond_dev, struct
         struct arp_pkt *arp = (struct arp_pkt *)skb->data;
         int res = NET_RX_DROP;
 
-        if (bond_dev->nd_net != &init_net)
+        if (dev_net(bond_dev) != &init_net)
                 goto out;
 
         if (!(bond_dev->flags & IFF_MASTER))
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 5fc9d8d58ece..ac688fcb27d7 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2629,7 +2629,7 @@ static int bond_arp_rcv(struct sk_buff *skb, struct net_device *dev, struct pack
         unsigned char *arp_ptr;
         __be32 sip, tip;
 
-        if (dev->nd_net != &init_net)
+        if (dev_net(dev) != &init_net)
                 goto out;
 
         if (!(dev->priv_flags & IFF_BONDING) || !(dev->flags & IFF_MASTER))
@@ -3470,7 +3470,7 @@ static int bond_netdev_event(struct notifier_block *this, unsigned long event, v
 {
         struct net_device *event_dev = (struct net_device *)ptr;
 
-        if (event_dev->nd_net != &init_net)
+        if (dev_net(event_dev) != &init_net)
                 return NOTIFY_DONE;
 
         dprintk("event_dev: %s, event: %lx\n",
@@ -3508,7 +3508,7 @@ static int bond_inetaddr_event(struct notifier_block *this, unsigned long event,
         struct bonding *bond, *bond_next;
         struct vlan_entry *vlan, *vlan_next;
 
-        if (ifa->ifa_dev->dev->nd_net != &init_net)
+        if (dev_net(ifa->ifa_dev->dev) != &init_net)
                 return NOTIFY_DONE;
 
         list_for_each_entry_safe(bond, bond_next, &bond_dev_list, bond_list) {
diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c
index 5ddf8b0c34f9..5f4b4c6c9f76 100644
--- a/drivers/net/hamradio/bpqether.c
+++ b/drivers/net/hamradio/bpqether.c
@@ -172,7 +172,7 @@ static int bpq_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_ty
         struct ethhdr *eth;
         struct bpqdev *bpq;
 
-        if (dev->nd_net != &init_net)
+        if (dev_net(dev) != &init_net)
                 goto drop;
 
         if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
@@ -553,7 +553,7 @@ static int bpq_device_event(struct notifier_block *this,unsigned long event, voi
 {
         struct net_device *dev = (struct net_device *)ptr;
 
-        if (dev->nd_net != &init_net)
+        if (dev_net(dev) != &init_net)
                 return NOTIFY_DONE;
 
         if (!dev_is_ethdev(dev))
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index f2a6e7132241..41b774baac4d 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -258,7 +258,7 @@ static __net_init int loopback_net_init(struct net *net)
         if (!dev)
                 goto out;
 
-        dev->nd_net = net;
+        dev_net_set(dev, net);
         err = register_netdev(dev);
         if (err)
                 goto out_free_netdev;
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index f651a816b280..2056cfc624dc 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -402,7 +402,7 @@ static int macvlan_newlink(struct net_device *dev,
         if (!tb[IFLA_LINK])
                 return -EINVAL;
 
-        lowerdev = __dev_get_by_index(dev->nd_net, nla_get_u32(tb[IFLA_LINK]));
+        lowerdev = __dev_get_by_index(dev_net(dev), nla_get_u32(tb[IFLA_LINK]));
         if (lowerdev == NULL)
                 return -ENODEV;
 
diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index ac0ac98b19cd..4fad4ddb3504 100644
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -301,7 +301,7 @@ static int pppoe_device_event(struct notifier_block *this,
 {
         struct net_device *dev = (struct net_device *) ptr;
 
-        if (dev->nd_net != &init_net)
+        if (dev_net(dev) != &init_net)
                 return NOTIFY_DONE;
 
         /* Only look at sockets that are using this specific device. */
@@ -392,7 +392,7 @@ static int pppoe_rcv(struct sk_buff *skb,
         if (!(skb = skb_share_check(skb, GFP_ATOMIC)))
                 goto out;
 
-        if (dev->nd_net != &init_net)
+        if (dev_net(dev) != &init_net)
                 goto drop;
 
         if (!pskb_may_pull(skb, sizeof(struct pppoe_hdr)))
@@ -424,7 +424,7 @@ static int pppoe_disc_rcv(struct sk_buff *skb,
         struct pppoe_hdr *ph;
         struct pppox_sock *po;
 
-        if (dev->nd_net != &init_net)
+        if (dev_net(dev) != &init_net)
                 goto abort;
 
         if (!pskb_may_pull(skb, sizeof(struct pppoe_hdr)))
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index e2ad98bee6e7..31cd817f33f9 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -375,7 +375,7 @@ static int veth_newlink(struct net_device *dev,
         else
                 snprintf(ifname, IFNAMSIZ, DRV_NAME "%%d");
 
-        peer = rtnl_create_link(dev->nd_net, ifname, &veth_link_ops, tbp);
+        peer = rtnl_create_link(dev_net(dev), ifname, &veth_link_ops, tbp);
         if (IS_ERR(peer))
                 return PTR_ERR(peer);
 
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 1525e8a89844..ed1afaf683a4 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -3464,7 +3464,7 @@ static int velocity_netdev_event(struct notifier_block *nb, unsigned long notifi
         struct velocity_info *vptr;
         unsigned long flags;
 
-        if (dev->nd_net != &init_net)
+        if (dev_net(dev) != &init_net)
                 return NOTIFY_DONE;
 
         spin_lock_irqsave(&velocity_dev_list_lock, flags);
diff --git a/drivers/net/wan/dlci.c b/drivers/net/wan/dlci.c
index 96b232446c0b..b14242768fad 100644
--- a/drivers/net/wan/dlci.c
+++ b/drivers/net/wan/dlci.c
@@ -517,7 +517,7 @@ static int dlci_dev_event(struct notifier_block *unused,
 {
         struct net_device *dev = (struct net_device *) ptr;
 
-        if (dev->nd_net != &init_net)
+        if (dev_net(dev) != &init_net)
                 return NOTIFY_DONE;
 
         if (event == NETDEV_UNREGISTER) {
diff --git a/drivers/net/wan/hdlc.c b/drivers/net/wan/hdlc.c
index 39951d0c34d6..9a83c9d5b8cf 100644
--- a/drivers/net/wan/hdlc.c
+++ b/drivers/net/wan/hdlc.c
@@ -68,7 +68,7 @@ static int hdlc_rcv(struct sk_buff *skb, struct net_device *dev,
 {
         struct hdlc_device *hdlc = dev_to_hdlc(dev);
 
-        if (dev->nd_net != &init_net) {
+        if (dev_net(dev) != &init_net) {
                 kfree_skb(skb);
                 return 0;
         }
@@ -105,7 +105,7 @@ static int hdlc_device_event(struct notifier_block *this, unsigned long event,
         unsigned long flags;
         int on;
  
-        if (dev->nd_net != &init_net)
+        if (dev_net(dev) != &init_net)
                 return NOTIFY_DONE;
 
         if (dev->get_stats != hdlc_get_stats)
diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index fb37b8095231..629c909e05f9 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -91,7 +91,7 @@ static int lapbeth_rcv(struct sk_buff *skb, struct net_device *dev, struct packe
         int len, err;
         struct lapbethdev *lapbeth;
 
-        if (dev->nd_net != &init_net)
+        if (dev_net(dev) != &init_net)
                 goto drop;
 
         if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
@@ -393,7 +393,7 @@ static int lapbeth_device_event(struct notifier_block *this,
         struct lapbethdev *lapbeth;
         struct net_device *dev = ptr;
 
-        if (dev->nd_net != &init_net)
+        if (dev_net(dev) != &init_net)
                 return NOTIFY_DONE;
 
         if (!dev_is_ethdev(dev))
diff --git a/drivers/net/wan/syncppp.c b/drivers/net/wan/syncppp.c
index 61e24b7a45a3..29b4b94e4947 100644
--- a/drivers/net/wan/syncppp.c
+++ b/drivers/net/wan/syncppp.c
@@ -1444,7 +1444,7 @@ static void sppp_print_bytes (u_char *p, u16 len)
 
 static int sppp_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *p, struct net_device *orig_dev)
 {
-        if (dev->nd_net != &init_net) {
+        if (dev_net(dev) != &init_net) {
                 kfree_skb(skb);
                 return 0;
         }