diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/ipv4/tcp_ipv4.c | 21 | ||||
-rw-r--r-- | net/ipv4/tcp_minisocks.c | 5 | ||||
-rw-r--r-- | net/ipv6/tcp_ipv6.c | 21 |
3 files changed, 17 insertions, 30 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 833e8d9..77f049d 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1820,23 +1820,18 @@ do_time_wait: goto discard_it; } -struct inet_peer *tcp_v4_get_peer(struct sock *sk, bool *release_it) +struct inet_peer *tcp_v4_get_peer(struct sock *sk) { struct rtable *rt = (struct rtable *) __sk_dst_get(sk); struct inet_sock *inet = inet_sk(sk); - struct net *net = sock_net(sk); - struct inet_peer *peer; - - if (!rt || - inet->cork.fl.u.ip4.daddr != inet->inet_daddr) { - peer = inet_getpeer_v4(net, inet->inet_daddr, 1); - *release_it = true; - } else { - peer = rt_get_peer_create(rt, inet->inet_daddr); - *release_it = false; - } - return peer; + /* If we don't have a valid cached route, or we're doing IP + * options which make the IPv4 header destination address + * different from our peer's, do not bother with this. + */ + if (!rt || inet->cork.fl.u.ip4.daddr != inet->inet_daddr) + return NULL; + return rt_get_peer_create(rt, inet->inet_daddr); } EXPORT_SYMBOL(tcp_v4_get_peer); diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index b85d9fe..fef9dbf 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -60,9 +60,8 @@ static bool tcp_remember_stamp(struct sock *sk) const struct inet_connection_sock *icsk = inet_csk(sk); struct tcp_sock *tp = tcp_sk(sk); struct inet_peer *peer; - bool release_it; - peer = icsk->icsk_af_ops->get_peer(sk, &release_it); + peer = icsk->icsk_af_ops->get_peer(sk); if (peer) { if ((s32)(peer->tcp_ts - tp->rx_opt.ts_recent) <= 0 || ((u32)get_seconds() - peer->tcp_ts_stamp > TCP_PAWS_MSL && @@ -70,8 +69,6 @@ static bool tcp_remember_stamp(struct sock *sk) peer->tcp_ts_stamp = (u32)tp->rx_opt.ts_recent_stamp; peer->tcp_ts = tp->rx_opt.ts_recent; } - if (release_it) - inet_putpeer(peer); return true; } diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 218433c..b5ecf37 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1732,23 +1732,18 @@ do_time_wait: goto discard_it; } -static struct inet_peer *tcp_v6_get_peer(struct sock *sk, bool *release_it) +static struct inet_peer *tcp_v6_get_peer(struct sock *sk) { struct rt6_info *rt = (struct rt6_info *) __sk_dst_get(sk); struct ipv6_pinfo *np = inet6_sk(sk); - struct net *net = sock_net(sk); - struct inet_peer *peer; - - if (!rt || - !ipv6_addr_equal(&np->daddr, &rt->rt6i_dst.addr)) { - peer = inet_getpeer_v6(net, &np->daddr, 1); - *release_it = true; - } else { - peer = rt6_get_peer_create(rt); - *release_it = false; - } - return peer; + /* If we don't have a valid cached route, or we're doing IP + * options which make the IPv6 header destination address + * different from our peer's, do not bother with this. + */ + if (!rt || !ipv6_addr_equal(&np->daddr, &rt->rt6i_dst.addr)) + return NULL; + return rt6_get_peer_create(rt); } static void *tcp_v6_tw_get_peer(struct sock *sk) |