[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, 2 insertions, 2 deletions

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))