[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>

1 files changed, 3 insertions, 3 deletions

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)))