[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/ipv4/ip_options.c b/net/ipv4/ip_options.c
index 87cc122..d107543 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -145,7 +145,7 @@
__be32 addr;
memcpy(&addr, sptr+soffset-1, 4);
- if (inet_addr_type(skb->dst->dev->nd_net, addr) != RTN_LOCAL) {
+ if (inet_addr_type(dev_net(skb->dst->dev), addr) != RTN_LOCAL) {
dopt->ts_needtime = 1;
soffset += 8;
}