net: CONFIG_NET_NS reduction

Use read_pnet() and write_pnet() to reduce number of ifdef CONFIG_NET_NS

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 3 insertions, 11 deletions

diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c
index 8c4348cb1950..f0e774cea386 100644
--- a/net/ipv6/addrlabel.c
+++ b/net/ipv6/addrlabel.c
@@ -53,11 +53,7 @@ static struct ip6addrlbl_table
 static inline
 struct net *ip6addrlbl_net(const struct ip6addrlbl_entry *lbl)
 {
-#ifdef CONFIG_NET_NS
-        return lbl->lbl_net;
-#else
-        return &init_net;
-#endif
+        return read_pnet(&lbl->lbl_net);
 }
 
 /*
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index eeeb8bc73982..77288980fae0 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -619,9 +619,7 @@ struct nf_conn *nf_conntrack_alloc(struct net *net, u16 zone,
         ct->tuplehash[IP_CT_DIR_REPLY].hnnode.pprev = NULL;
         /* Don't set timer yet: wait for confirmation */
         setup_timer(&ct->timeout, death_by_timeout, (unsigned long)ct);
-#ifdef CONFIG_NET_NS
-        ct->ct_net = net;
-#endif
+        write_pnet(&ct->ct_net, net);
 #ifdef CONFIG_NF_CONNTRACK_ZONES
         if (zone) {
                 struct nf_conntrack_zone *nf_ct_zone;
@@ -1363,9 +1361,7 @@ static int nf_conntrack_init_init_net(void)
                 goto err_extend;
 #endif
         /* Set up fake conntrack: to never be deleted, not in any hashes */
-#ifdef CONFIG_NET_NS
-        nf_conntrack_untracked.ct_net = &init_net;
-#endif
+        write_pnet(&nf_conntrack_untracked.ct_net, &init_net);
         atomic_set(&nf_conntrack_untracked.ct_general.use, 1);
         /*  - and look it like as a confirmed connection */
         set_bit(IPS_CONFIRMED_BIT, &nf_conntrack_untracked.status);