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authorDavid S. Miller <davem@davemloft.net>2011-05-06 16:11:19 -0700
committerDavid S. Miller <davem@davemloft.net>2011-05-08 13:18:54 -0700
commitda905bd1d5a6480d206f4b3dc61243f95adfae2c (patch)
tree4446793e7431afc784f10776516da033d603a542 /net/ipv4
parent2c42758cf6683e9c1657d20dcf2a7edd323d98ca (diff)
downloadop-kernel-dev-da905bd1d5a6480d206f4b3dc61243f95adfae2c.zip
op-kernel-dev-da905bd1d5a6480d206f4b3dc61243f95adfae2c.tar.gz
tcp: Use cork flow in tcp_v4_connect()
Since this is invoked from inet_stream_connect() the socket is locked and therefore this usage is safe. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/tcp_ipv4.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index f3d16d8..a712171 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -151,7 +151,7 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
struct tcp_sock *tp = tcp_sk(sk);
__be16 orig_sport, orig_dport;
__be32 daddr, nexthop;
- struct flowi4 fl4;
+ struct flowi4 *fl4;
struct rtable *rt;
int err;
struct ip_options_rcu *inet_opt;
@@ -173,7 +173,8 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
orig_sport = inet->inet_sport;
orig_dport = usin->sin_port;
- rt = ip_route_connect(&fl4, nexthop, inet->inet_saddr,
+ fl4 = &inet->cork.fl.u.ip4;
+ rt = ip_route_connect(fl4, nexthop, inet->inet_saddr,
RT_CONN_FLAGS(sk), sk->sk_bound_dev_if,
IPPROTO_TCP,
orig_sport, orig_dport, sk, true);
@@ -190,10 +191,10 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
}
if (!inet_opt || !inet_opt->opt.srr)
- daddr = fl4.daddr;
+ daddr = fl4->daddr;
if (!inet->inet_saddr)
- inet->inet_saddr = fl4.saddr;
+ inet->inet_saddr = fl4->saddr;
inet->inet_rcv_saddr = inet->inet_saddr;
if (tp->rx_opt.ts_recent_stamp && inet->inet_daddr != daddr) {
@@ -204,7 +205,7 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
}
if (tcp_death_row.sysctl_tw_recycle &&
- !tp->rx_opt.ts_recent_stamp && fl4.daddr == daddr) {
+ !tp->rx_opt.ts_recent_stamp && fl4->daddr == daddr) {
struct inet_peer *peer = rt_get_peer(rt);
/*
* VJ's idea. We save last timestamp seen from
@@ -240,7 +241,7 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
if (err)
goto failure;
- rt = ip_route_newports(&fl4, rt, orig_sport, orig_dport,
+ rt = ip_route_newports(fl4, rt, orig_sport, orig_dport,
inet->inet_sport, inet->inet_dport, sk);
if (IS_ERR(rt)) {
err = PTR_ERR(rt);
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