summaryrefslogtreecommitdiff
path: root/net/ipv4/inet_hashtables.c
diff options
context:
space:
mode:
authorJiri Kosina <jkosina@suse.cz>2013-01-29 10:48:30 +0100
committerJiri Kosina <jkosina@suse.cz>2013-01-29 10:48:30 +0100
commit617677295b53a40d0e54aac4cbbc216ffbc755dd (patch)
tree51b9e87213243ed5efff252c8e8d8fec4eebc588 /net/ipv4/inet_hashtables.c
parent5c8d1b68e01a144813e38795fe6dbe7ebb506131 (diff)
parent6abb7c25775b7fb2225ad0508236d63ca710e65f (diff)
Merge branch 'master' into for-next
Conflicts: drivers/devfreq/exynos4_bus.c Sync with Linus' tree to be able to apply patches that are against newer code (mvneta).
Diffstat (limited to 'net/ipv4/inet_hashtables.c')
-rw-r--r--net/ipv4/inet_hashtables.c36
1 files changed, 23 insertions, 13 deletions
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 7880af970208..fa3ae8148710 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -237,12 +237,14 @@ struct sock *__inet_lookup_established(struct net *net,
rcu_read_lock();
begin:
sk_nulls_for_each_rcu(sk, node, &head->chain) {
- if (INET_MATCH(sk, net, hash, acookie,
- saddr, daddr, ports, dif)) {
+ if (sk->sk_hash != hash)
+ continue;
+ if (likely(INET_MATCH(sk, net, acookie,
+ saddr, daddr, ports, dif))) {
if (unlikely(!atomic_inc_not_zero(&sk->sk_refcnt)))
goto begintw;
- if (unlikely(!INET_MATCH(sk, net, hash, acookie,
- saddr, daddr, ports, dif))) {
+ if (unlikely(!INET_MATCH(sk, net, acookie,
+ saddr, daddr, ports, dif))) {
sock_put(sk);
goto begin;
}
@@ -260,14 +262,18 @@ begin:
begintw:
/* Must check for a TIME_WAIT'er before going to listener hash. */
sk_nulls_for_each_rcu(sk, node, &head->twchain) {
- if (INET_TW_MATCH(sk, net, hash, acookie,
- saddr, daddr, ports, dif)) {
+ if (sk->sk_hash != hash)
+ continue;
+ if (likely(INET_TW_MATCH(sk, net, acookie,
+ saddr, daddr, ports,
+ dif))) {
if (unlikely(!atomic_inc_not_zero(&sk->sk_refcnt))) {
sk = NULL;
goto out;
}
- if (unlikely(!INET_TW_MATCH(sk, net, hash, acookie,
- saddr, daddr, ports, dif))) {
+ if (unlikely(!INET_TW_MATCH(sk, net, acookie,
+ saddr, daddr, ports,
+ dif))) {
sock_put(sk);
goto begintw;
}
@@ -314,10 +320,12 @@ static int __inet_check_established(struct inet_timewait_death_row *death_row,
/* Check TIME-WAIT sockets first. */
sk_nulls_for_each(sk2, node, &head->twchain) {
- tw = inet_twsk(sk2);
+ if (sk2->sk_hash != hash)
+ continue;
- if (INET_TW_MATCH(sk2, net, hash, acookie,
- saddr, daddr, ports, dif)) {
+ if (likely(INET_TW_MATCH(sk2, net, acookie,
+ saddr, daddr, ports, dif))) {
+ tw = inet_twsk(sk2);
if (twsk_unique(sk, sk2, twp))
goto unique;
else
@@ -328,8 +336,10 @@ static int __inet_check_established(struct inet_timewait_death_row *death_row,
/* And established part... */
sk_nulls_for_each(sk2, node, &head->chain) {
- if (INET_MATCH(sk2, net, hash, acookie,
- saddr, daddr, ports, dif))
+ if (sk2->sk_hash != hash)
+ continue;
+ if (likely(INET_MATCH(sk2, net, acookie,
+ saddr, daddr, ports, dif)))
goto not_unique;
}