[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, 1 insertions, 1 deletions

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);