[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>
diff --git a/drivers/net/wan/dlci.c b/drivers/net/wan/dlci.c
index 96b2324..b142427 100644
--- a/drivers/net/wan/dlci.c
+++ b/drivers/net/wan/dlci.c
@@ -517,7 +517,7 @@
{
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) {