[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/icmp.c b/net/ipv6/icmp.c
index 8633241..5085766 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -306,7 +306,7 @@
void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
struct net_device *dev)
{
- struct net *net = skb->dev->nd_net;
+ struct net *net = dev_net(skb->dev);
struct inet6_dev *idev = NULL;
struct ipv6hdr *hdr = ipv6_hdr(skb);
struct sock *sk;
@@ -507,7 +507,7 @@
static void icmpv6_echo_reply(struct sk_buff *skb)
{
- struct net *net = skb->dev->nd_net;
+ struct net *net = dev_net(skb->dev);
struct sock *sk;
struct inet6_dev *idev;
struct ipv6_pinfo *np;