[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/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 85a75e1..a819d19 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -1852,11 +1852,11 @@
switch (cmd) {
case IPT_SO_SET_REPLACE:
- ret = compat_do_replace(sk->sk_net, user, len);
+ ret = compat_do_replace(sock_net(sk), user, len);
break;
case IPT_SO_SET_ADD_COUNTERS:
- ret = do_add_counters(sk->sk_net, user, len, 1);
+ ret = do_add_counters(sock_net(sk), user, len, 1);
break;
default:
@@ -1963,10 +1963,10 @@
switch (cmd) {
case IPT_SO_GET_INFO:
- ret = get_info(sk->sk_net, user, len, 1);
+ ret = get_info(sock_net(sk), user, len, 1);
break;
case IPT_SO_GET_ENTRIES:
- ret = compat_get_entries(sk->sk_net, user, len);
+ ret = compat_get_entries(sock_net(sk), user, len);
break;
default:
ret = do_ipt_get_ctl(sk, cmd, user, len);
@@ -1985,11 +1985,11 @@
switch (cmd) {
case IPT_SO_SET_REPLACE:
- ret = do_replace(sk->sk_net, user, len);
+ ret = do_replace(sock_net(sk), user, len);
break;
case IPT_SO_SET_ADD_COUNTERS:
- ret = do_add_counters(sk->sk_net, user, len, 0);
+ ret = do_add_counters(sock_net(sk), user, len, 0);
break;
default:
@@ -2010,11 +2010,11 @@
switch (cmd) {
case IPT_SO_GET_INFO:
- ret = get_info(sk->sk_net, user, len, 0);
+ ret = get_info(sock_net(sk), user, len, 0);
break;
case IPT_SO_GET_ENTRIES:
- ret = get_entries(sk->sk_net, user, len);
+ ret = get_entries(sock_net(sk), user, len);
break;
case IPT_SO_GET_REVISION_MATCH: