[NET] NETNS: Omit namespace comparision without CONFIG_NET_NS.
Introduce an inline net_eq() to compare two namespaces.
Without CONFIG_NET_NS, since no namespace other than &init_net
exists, it is always 1.
We do not need to convert 1) inline vs inline and
2) inline vs &init_net comparisons.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 1064111..1b6ff51 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -139,7 +139,7 @@
sk_for_each(sk, node, head) {
const struct inet_sock *inet = inet_sk(sk);
- if (sock_net(sk) == net && inet->num == hnum &&
+ if (net_eq(sock_net(sk), net) && inet->num == hnum &&
!ipv6_only_sock(sk)) {
const __be32 rcv_saddr = inet->rcv_saddr;
int score = sk->sk_family == PF_INET ? 1 : 0;
@@ -182,7 +182,7 @@
if (inet->num == hnum && !sk->sk_node.next &&
(!inet->rcv_saddr || inet->rcv_saddr == daddr) &&
(sk->sk_family == PF_INET || !ipv6_only_sock(sk)) &&
- !sk->sk_bound_dev_if && sock_net(sk) == net)
+ !sk->sk_bound_dev_if && net_eq(sock_net(sk), net))
goto sherry_cache;
sk = inet_lookup_listener_slow(net, head, daddr, hnum, dif);
}
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 25dc8b3..d965f0a 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -117,7 +117,7 @@
sk_for_each_from(sk, node) {
struct inet_sock *inet = inet_sk(sk);
- if (sock_net(sk) == net && inet->num == num &&
+ if (net_eq(sock_net(sk), net) && inet->num == num &&
!(inet->daddr && inet->daddr != raddr) &&
!(inet->rcv_saddr && inet->rcv_saddr != laddr) &&
!(sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif))
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index eab8d75..230716c 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1196,7 +1196,7 @@
rth->fl.oif != ikeys[k] ||
rth->fl.iif != 0 ||
rth->rt_genid != atomic_read(&rt_genid) ||
- dev_net(rth->u.dst.dev) != net) {
+ !net_eq(dev_net(rth->u.dst.dev), net)) {
rthp = &rth->u.dst.rt_next;
continue;
}
@@ -1455,7 +1455,7 @@
rth->rt_src == iph->saddr &&
rth->fl.iif == 0 &&
!(dst_metric_locked(&rth->u.dst, RTAX_MTU)) &&
- dev_net(rth->u.dst.dev) == net &&
+ net_eq(dev_net(rth->u.dst.dev), net) &&
rth->rt_genid == atomic_read(&rt_genid)) {
unsigned short mtu = new_mtu;
@@ -2085,7 +2085,7 @@
rth->fl.oif == 0 &&
rth->fl.mark == skb->mark &&
rth->fl.fl4_tos == tos &&
- dev_net(rth->u.dst.dev) == net &&
+ net_eq(dev_net(rth->u.dst.dev), net) &&
rth->rt_genid == atomic_read(&rt_genid)) {
dst_use(&rth->u.dst, jiffies);
RT_CACHE_STAT_INC(in_hit);
@@ -2487,7 +2487,7 @@
rth->fl.mark == flp->mark &&
!((rth->fl.fl4_tos ^ flp->fl4_tos) &
(IPTOS_RT_MASK | RTO_ONLINK)) &&
- dev_net(rth->u.dst.dev) == net &&
+ net_eq(dev_net(rth->u.dst.dev), net) &&
rth->rt_genid == atomic_read(&rt_genid)) {
dst_use(&rth->u.dst, jiffies);
RT_CACHE_STAT_INC(out_hit);
@@ -2796,7 +2796,7 @@
rcu_read_lock_bh();
for (rt = rcu_dereference(rt_hash_table[h].chain), idx = 0; rt;
rt = rcu_dereference(rt->u.dst.rt_next), idx++) {
- if (dev_net(rt->u.dst.dev) != net || idx < s_idx)
+ if (!net_eq(dev_net(rt->u.dst.dev), net) || idx < s_idx)
continue;
if (rt->rt_genid != atomic_read(&rt_genid))
continue;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 46847e6..2a5881c 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1974,7 +1974,7 @@
while (1) {
while (req) {
if (req->rsk_ops->family == st->family &&
- sock_net(req->sk) == net) {
+ net_eq(sock_net(req->sk), net)) {
cur = req;
goto out;
}
@@ -1998,7 +1998,7 @@
}
get_sk:
sk_for_each_from(sk, node) {
- if (sk->sk_family == st->family && sock_net(sk) == net) {
+ if (sk->sk_family == st->family && net_eq(sock_net(sk), net)) {
cur = sk;
goto out;
}
@@ -2049,7 +2049,7 @@
read_lock_bh(lock);
sk_for_each(sk, node, &tcp_hashinfo.ehash[st->bucket].chain) {
if (sk->sk_family != st->family ||
- sock_net(sk) != net) {
+ !net_eq(sock_net(sk), net)) {
continue;
}
rc = sk;
@@ -2059,7 +2059,7 @@
inet_twsk_for_each(tw, node,
&tcp_hashinfo.ehash[st->bucket].twchain) {
if (tw->tw_family != st->family ||
- twsk_net(tw) != net) {
+ !net_eq(twsk_net(tw), net)) {
continue;
}
rc = tw;
@@ -2086,7 +2086,7 @@
tw = cur;
tw = tw_next(tw);
get_tw:
- while (tw && (tw->tw_family != st->family || twsk_net(tw) != net)) {
+ while (tw && (tw->tw_family != st->family || !net_eq(twsk_net(tw), net))) {
tw = tw_next(tw);
}
if (tw) {
@@ -2107,7 +2107,7 @@
sk = sk_next(sk);
sk_for_each_from(sk, node) {
- if (sk->sk_family == st->family && sock_net(sk) == net)
+ if (sk->sk_family == st->family && net_eq(sock_net(sk), net))
goto found;
}
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 76d52d3..80007c7 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -137,7 +137,7 @@
struct hlist_node *node;
sk_for_each(sk, node, &udptable[num & (UDP_HTABLE_SIZE - 1)])
- if (sock_net(sk) == net && sk->sk_hash == num)
+ if (net_eq(sock_net(sk), net) && sk->sk_hash == num)
return 1;
return 0;
}
@@ -218,7 +218,7 @@
sk_for_each(sk2, node, head)
if (sk2->sk_hash == snum &&
sk2 != sk &&
- sock_net(sk2) == net &&
+ net_eq(sock_net(sk2), net) &&
(!sk2->sk_reuse || !sk->sk_reuse) &&
(!sk2->sk_bound_dev_if || !sk->sk_bound_dev_if
|| sk2->sk_bound_dev_if == sk->sk_bound_dev_if) &&
@@ -269,7 +269,7 @@
sk_for_each(sk, node, &udptable[hnum & (UDP_HTABLE_SIZE - 1)]) {
struct inet_sock *inet = inet_sk(sk);
- if (sock_net(sk) == net && sk->sk_hash == hnum &&
+ if (net_eq(sock_net(sk), net) && sk->sk_hash == hnum &&
!ipv6_only_sock(sk)) {
int score = (sk->sk_family == PF_INET ? 1 : 0);
if (inet->rcv_saddr) {
@@ -1511,7 +1511,7 @@
for (state->bucket = 0; state->bucket < UDP_HTABLE_SIZE; ++state->bucket) {
struct hlist_node *node;
sk_for_each(sk, node, state->hashtable + state->bucket) {
- if (sock_net(sk) != net)
+ if (!net_eq(sock_net(sk), net))
continue;
if (sk->sk_family == state->family)
goto found;
@@ -1531,7 +1531,7 @@
sk = sk_next(sk);
try_again:
;
- } while (sk && (sock_net(sk) != net || sk->sk_family != state->family));
+ } while (sk && (!net_eq(sock_net(sk), net) || sk->sk_family != state->family));
if (!sk && ++state->bucket < UDP_HTABLE_SIZE) {
sk = sk_head(state->hashtable + state->bucket);
