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authorEric Dumazet <edumazet@google.com>2017-03-22 08:10:21 -0700
committerDavid S. Miller <davem@davemloft.net>2017-03-22 15:39:42 -0700
commit15bb7745e94a665caf42bfaabf0ce062845b533b (patch)
tree47e25470f2814b8baa614b09409747ebc8104359 /net/ipv4/tcp_minisocks.c
parent1d2a6a5e4bf2921531071fcff8538623dce74efa (diff)
downloadop-kernel-dev-15bb7745e94a665caf42bfaabf0ce062845b533b.zip
op-kernel-dev-15bb7745e94a665caf42bfaabf0ce062845b533b.tar.gz
tcp: initialize icsk_ack.lrcvtime at session start time
icsk_ack.lrcvtime has a 0 value at socket creation time. tcpi_last_data_recv can have bogus value if no payload is ever received. This patch initializes icsk_ack.lrcvtime for active sessions in tcp_finish_connect(), and for passive sessions in tcp_create_openreq_child() Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_minisocks.c')
-rw-r--r--net/ipv4/tcp_minisocks.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 7e16243..65c0f3d 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -460,6 +460,7 @@ struct sock *tcp_create_openreq_child(const struct sock *sk,
newtp->mdev_us = jiffies_to_usecs(TCP_TIMEOUT_INIT);
minmax_reset(&newtp->rtt_min, tcp_time_stamp, ~0U);
newicsk->icsk_rto = TCP_TIMEOUT_INIT;
+ newicsk->icsk_ack.lrcvtime = tcp_time_stamp;
newtp->packets_out = 0;
newtp->retrans_out = 0;
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