[NET] NETNS: Omit sock->sk_net without CONFIG_NET_NS.
Introduce per-sock inlines: sock_net(), sock_net_set()
and per-inet_timewait_sock inlines: twsk_net(), twsk_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/raw.c b/net/ipv6/raw.c
index efb0047..12c7a15 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -76,7 +76,7 @@
if (inet_sk(sk)->num == num) {
struct ipv6_pinfo *np = inet6_sk(sk);
- if (sk->sk_net != net)
+ if (sock_net(sk) != net)
continue;
if (!ipv6_addr_any(&np->daddr) &&
@@ -280,7 +280,7 @@
if (!sk->sk_bound_dev_if)
goto out;
- dev = dev_get_by_index(sk->sk_net, sk->sk_bound_dev_if);
+ dev = dev_get_by_index(sock_net(sk), sk->sk_bound_dev_if);
if (!dev) {
err = -ENODEV;
goto out;
@@ -293,7 +293,7 @@
v4addr = LOOPBACK4_IPV6;
if (!(addr_type & IPV6_ADDR_MULTICAST)) {
err = -EADDRNOTAVAIL;
- if (!ipv6_chk_addr(sk->sk_net, &addr->sin6_addr,
+ if (!ipv6_chk_addr(sock_net(sk), &addr->sin6_addr,
dev, 0)) {
if (dev)
dev_put(dev);