[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/net/ipv6/udp.c b/net/ipv6/udp.c
index 593d3ef..6683c04 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -235,7 +235,7 @@
struct sock *sk;
int err;
- sk = __udp6_lib_lookup(skb->dev->nd_net, daddr, uh->dest,
+ sk = __udp6_lib_lookup(dev_net(skb->dev), daddr, uh->dest,
saddr, uh->source, inet6_iif(skb), udptable);
if (sk == NULL)
return;
@@ -483,7 +483,7 @@
* check socket cache ... must talk to Alan about his plans
* for sock caches... i'll skip this for now.
*/
- sk = __udp6_lib_lookup(skb->dev->nd_net, saddr, uh->source,
+ sk = __udp6_lib_lookup(dev_net(skb->dev), saddr, uh->source,
daddr, uh->dest, inet6_iif(skb), udptable);
if (sk == NULL) {