[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/mcast.c b/net/ipv6/mcast.c
index 957ac7e..0357de8 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1400,7 +1400,7 @@
static struct sk_buff *mld_newpack(struct net_device *dev, int size)
{
- struct net *net = dev->nd_net;
+ struct net *net = dev_net(dev);
struct sock *sk = net->ipv6.igmp_sk;
struct sk_buff *skb;
struct mld2_report *pmr;
@@ -1448,7 +1448,7 @@
(struct mld2_report *)skb_transport_header(skb);
int payload_len, mldlen;
struct inet6_dev *idev = in6_dev_get(skb->dev);
- struct net *net = skb->dev->nd_net;
+ struct net *net = dev_net(skb->dev);
int err;
struct flowi fl;
@@ -1762,7 +1762,7 @@
static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
{
- struct net *net = dev->nd_net;
+ struct net *net = dev_net(dev);
struct sock *sk = net->ipv6.igmp_sk;
struct inet6_dev *idev;
struct sk_buff *skb;