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-rw-r--r--include/net/inet_connection_sock.h2
-rw-r--r--include/net/tcp.h2
-rw-r--r--net/ipv4/tcp_ipv4.c21
-rw-r--r--net/ipv4/tcp_minisocks.c5
-rw-r--r--net/ipv6/tcp_ipv6.c21
5 files changed, 19 insertions, 32 deletions
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index 7d83f90..e1b7734 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -43,7 +43,7 @@ struct inet_connection_sock_af_ops {
struct sock *(*syn_recv_sock)(struct sock *sk, struct sk_buff *skb,
struct request_sock *req,
struct dst_entry *dst);
- struct inet_peer *(*get_peer)(struct sock *sk, bool *release_it);
+ struct inet_peer *(*get_peer)(struct sock *sk);
u16 net_header_len;
u16 net_frag_header_len;
u16 sockaddr_len;
diff --git a/include/net/tcp.h b/include/net/tcp.h
index e79aa48..4245918 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -327,7 +327,7 @@ extern void tcp_shutdown (struct sock *sk, int how);
extern int tcp_v4_rcv(struct sk_buff *skb);
-extern struct inet_peer *tcp_v4_get_peer(struct sock *sk, bool *release_it);
+extern struct inet_peer *tcp_v4_get_peer(struct sock *sk);
extern void *tcp_v4_tw_get_peer(struct sock *sk);
extern int tcp_v4_tw_remember_stamp(struct inet_timewait_sock *tw);
extern int tcp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
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)
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