[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/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index c0c8d2d..21c4676 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -105,7 +105,7 @@
read_lock(&hashinfo->lhash_lock);
sk_for_each(sk, node, &hashinfo->listening_hash[inet_lhashfn(hnum)]) {
- if (sk->sk_net == net && inet_sk(sk)->num == hnum &&
+ if (sock_net(sk) == net && inet_sk(sk)->num == hnum &&
sk->sk_family == PF_INET6) {
const struct ipv6_pinfo *np = inet6_sk(sk);
@@ -172,7 +172,7 @@
struct sock *sk2;
const struct hlist_node *node;
struct inet_timewait_sock *tw;
- struct net *net = sk->sk_net;
+ struct net *net = sock_net(sk);
prefetch(head->chain.first);
write_lock(lock);