diff mbox series

[net-next,02/11] tcp: move icsk_rto init to tcp_disconnect()

Message ID 20190117192342.71126-3-edumazet@google.com
State Accepted
Delegated to: David Miller
Headers show
Series tcp: remove code from tcp_create_openreq_child() | expand

Commit Message

Eric Dumazet Jan. 17, 2019, 7:23 p.m. UTC
If we make sure a listener always has its icsk_rto
field set to TCP_TIMEOUT_INIT, we do not need to rewrite
this field after a new clone is created.

tcp_disconnect() is very seldom used in real applications.

Signed-off-by: Eric Dumazet <edumazet@google.com>
---
 net/ipv4/tcp.c           | 1 +
 net/ipv4/tcp_minisocks.c | 1 -
 2 files changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 27e2f6837062374baaea267a8788b9fd91db25ff..9d8131f95a9732fb873c8a8b2c918657e1dade30 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2579,6 +2579,7 @@  int tcp_disconnect(struct sock *sk, int flags)
 	icsk->icsk_backoff = 0;
 	tp->snd_cwnd = 2;
 	icsk->icsk_probes_out = 0;
+	icsk->icsk_rto = TCP_TIMEOUT_INIT;
 	tp->snd_ssthresh = TCP_INFINITE_SSTHRESH;
 	tp->snd_cwnd_cnt = 0;
 	tp->window_clamp = 0;
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 0cffa5937b1261984c3986b107220af495264437..9799f1d32e44f4c733b41c4d8fc7739970ccca28 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -482,7 +482,6 @@  struct sock *tcp_create_openreq_child(const struct sock *sk,
 	newtp->srtt_us = 0;
 	newtp->mdev_us = jiffies_to_usecs(TCP_TIMEOUT_INIT);
 	minmax_reset(&newtp->rtt_min, tcp_jiffies32, ~0U);
-	newicsk->icsk_rto = TCP_TIMEOUT_INIT;
 	newicsk->icsk_ack.lrcvtime = tcp_jiffies32;
 
 	newtp->packets_out = 0;