[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/block/aoe/aoenet.c b/drivers/block/aoe/aoenet.c
index 8460ef736d56..18d243c73eee 100644
--- a/drivers/block/aoe/aoenet.c
+++ b/drivers/block/aoe/aoenet.c
@@ -115,7 +115,7 @@ aoenet_rcv(struct sk_buff *skb, struct net_device *ifp, struct packet_type *pt,
         struct aoe_hdr *h;
         u32 n;
 
-        if (ifp->nd_net != &init_net)
+        if (dev_net(ifp) != &init_net)
                 goto exit;
 
         skb = skb_share_check(skb, GFP_ATOMIC);