[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/net/ipv6/raw.c b/net/ipv6/raw.c
index 548d0763f4d3..efb0047f6880 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -176,7 +176,7 @@ static int ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
         if (sk == NULL)
                 goto out;
 
-        net = skb->dev->nd_net;
+        net = dev_net(skb->dev);
         sk = __raw_v6_lookup(net, sk, nexthdr, daddr, saddr, IP6CB(skb)->iif);
 
         while (sk) {
@@ -363,7 +363,7 @@ void raw6_icmp_error(struct sk_buff *skb, int nexthdr,
         if (sk != NULL) {
                 saddr = &ipv6_hdr(skb)->saddr;
                 daddr = &ipv6_hdr(skb)->daddr;
-                net = skb->dev->nd_net;
+                net = dev_net(skb->dev);
 
                 while ((sk = __raw_v6_lookup(net, sk, nexthdr, saddr, daddr,
                                                 IP6CB(skb)->iif))) {