[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/ipv4/raw.c b/net/ipv4/raw.c
index 3f68a937b602..8756d502a47f 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -168,7 +168,7 @@ static int raw_v4_input(struct sk_buff *skb, struct iphdr *iph, int hash)
         if (hlist_empty(head))
                 goto out;
 
-        net = skb->dev->nd_net;
+        net = dev_net(skb->dev);
         sk = __raw_v4_lookup(net, __sk_head(head), iph->protocol,
                              iph->saddr, iph->daddr,
                              skb->dev->ifindex);
@@ -276,7 +276,7 @@ void raw_icmp_error(struct sk_buff *skb, int protocol, u32 info)
         raw_sk = sk_head(&raw_v4_hashinfo.ht[hash]);
         if (raw_sk != NULL) {
                 iph = (struct iphdr *)skb->data;
-                net = skb->dev->nd_net;
+                net = dev_net(skb->dev);
 
                 while ((raw_sk = __raw_v4_lookup(net, raw_sk, protocol,
                                                 iph->daddr, iph->saddr,