diff options
| -rw-r--r-- | include/net/inet_timewait_sock.h | 2 | ||||
| -rw-r--r-- | net/ipv4/inet_hashtables.c | 9 | ||||
| -rw-r--r-- | net/ipv4/inet_timewait_sock.c | 13 | ||||
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 3 | ||||
| -rw-r--r-- | net/ipv4/tcp_minisocks.c | 6 | ||||
| -rw-r--r-- | net/ipv6/inet6_hashtables.c | 3 | ||||
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 3 | ||||
| -rw-r--r-- | net/netfilter/xt_TPROXY.c | 6 |
8 files changed, 19 insertions, 26 deletions
diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h index 96f52a4711c8..879d6e5a973b 100644 --- a/include/net/inet_timewait_sock.h +++ b/include/net/inet_timewait_sock.h @@ -111,7 +111,7 @@ void __inet_twsk_hashdance(struct inet_timewait_sock *tw, struct sock *sk, struct inet_hashinfo *hashinfo); void inet_twsk_schedule(struct inet_timewait_sock *tw, const int timeo); -void inet_twsk_deschedule(struct inet_timewait_sock *tw); +void inet_twsk_deschedule_put(struct inet_timewait_sock *tw); void inet_twsk_purge(struct inet_hashinfo *hashinfo, struct inet_timewait_death_row *twdr, int family); diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index e58840330da7..f8b3701a6c3c 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -380,8 +380,7 @@ static int __inet_check_established(struct inet_timewait_death_row *death_row, *twp = tw; } else if (tw) { /* Silly. Should hash-dance instead... */ - inet_twsk_deschedule(tw); - inet_twsk_put(tw); + inet_twsk_deschedule_put(tw); } return 0; @@ -558,10 +557,8 @@ ok: inet_twsk_bind_unhash(tw, hinfo); spin_unlock(&head->lock); - if (tw) { - inet_twsk_deschedule(tw); - inet_twsk_put(tw); - } + if (tw) + inet_twsk_deschedule_put(tw); ret = 0; goto out; diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c index 92cd4d50404e..ae22cc24fbe8 100644 --- a/net/ipv4/inet_timewait_sock.c +++ b/net/ipv4/inet_timewait_sock.c @@ -205,13 +205,17 @@ EXPORT_SYMBOL_GPL(inet_twsk_alloc); * tcp_input.c to verify this. */ -/* This is for handling early-kills of TIME_WAIT sockets. */ -void inet_twsk_deschedule(struct inet_timewait_sock *tw) +/* This is for handling early-kills of TIME_WAIT sockets. + * Warning : consume reference. + * Caller should not access tw anymore. + */ +void inet_twsk_deschedule_put(struct inet_timewait_sock *tw) { if (del_timer_sync(&tw->tw_timer)) inet_twsk_kill(tw); + inet_twsk_put(tw); } -EXPORT_SYMBOL(inet_twsk_deschedule); +EXPORT_SYMBOL(inet_twsk_deschedule_put); void inet_twsk_schedule(struct inet_timewait_sock *tw, const int timeo) { @@ -281,9 +285,8 @@ restart: rcu_read_unlock(); local_bh_disable(); - inet_twsk_deschedule(tw); + inet_twsk_deschedule_put(tw); local_bh_enable(); - inet_twsk_put(tw); goto restart_rcu; } /* If the nulls value we got at the end of this lookup is diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index d7d4c2b79cf2..486ba96ae91a 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1683,8 +1683,7 @@ do_time_wait: iph->daddr, th->dest, inet_iif(skb)); if (sk2) { - inet_twsk_deschedule(inet_twsk(sk)); - inet_twsk_put(inet_twsk(sk)); + inet_twsk_deschedule_put(inet_twsk(sk)); sk = sk2; goto process; } diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index 4bc00cb79e60..6d8795b066ac 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -147,8 +147,7 @@ tcp_timewait_state_process(struct inet_timewait_sock *tw, struct sk_buff *skb, if (!th->fin || TCP_SKB_CB(skb)->end_seq != tcptw->tw_rcv_nxt + 1) { kill_with_rst: - inet_twsk_deschedule(tw); - inet_twsk_put(tw); + inet_twsk_deschedule_put(tw); return TCP_TW_RST; } @@ -198,8 +197,7 @@ kill_with_rst: */ if (sysctl_tcp_rfc1337 == 0) { kill: - inet_twsk_deschedule(tw); - inet_twsk_put(tw); + inet_twsk_deschedule_put(tw); return TCP_TW_SUCCESS; } } diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c index a237398aa2b4..6ac8dad0138a 100644 --- a/net/ipv6/inet6_hashtables.c +++ b/net/ipv6/inet6_hashtables.c @@ -243,8 +243,7 @@ static int __inet6_check_established(struct inet_timewait_death_row *death_row, *twp = tw; } else if (tw) { /* Silly. Should hash-dance instead... */ - inet_twsk_deschedule(tw); - inet_twsk_put(tw); + inet_twsk_deschedule_put(tw); } return 0; diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 6748c4277aff..d540846a1a79 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1481,8 +1481,7 @@ do_time_wait: ntohs(th->dest), tcp_v6_iif(skb)); if (sk2) { struct inet_timewait_sock *tw = inet_twsk(sk); - inet_twsk_deschedule(tw); - inet_twsk_put(tw); + inet_twsk_deschedule_put(tw); sk = sk2; tcp_v6_restore_cb(skb); goto process; diff --git a/net/netfilter/xt_TPROXY.c b/net/netfilter/xt_TPROXY.c index cca96cec1b68..d0c96c5ae29a 100644 --- a/net/netfilter/xt_TPROXY.c +++ b/net/netfilter/xt_TPROXY.c @@ -272,8 +272,7 @@ tproxy_handle_time_wait4(struct sk_buff *skb, __be32 laddr, __be16 lport, hp->source, lport ? lport : hp->dest, skb->dev, NFT_LOOKUP_LISTENER); if (sk2) { - inet_twsk_deschedule(inet_twsk(sk)); - inet_twsk_put(inet_twsk(sk)); + inet_twsk_deschedule_put(inet_twsk(sk)); sk = sk2; } } @@ -437,8 +436,7 @@ tproxy_handle_time_wait6(struct sk_buff *skb, int tproto, int thoff, tgi->lport ? tgi->lport : hp->dest, skb->dev, NFT_LOOKUP_LISTENER); if (sk2) { - inet_twsk_deschedule(inet_twsk(sk)); - inet_twsk_put(inet_twsk(sk)); + inet_twsk_deschedule_put(inet_twsk(sk)); sk = sk2; } } |