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author | Eric Dumazet <edumazet@google.com> | 2017-03-22 15:10:21 (GMT) |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-30 07:41:22 (GMT) |
commit | 9e13bcef24691b44c4de1257ba1ab6d2b8a43440 (patch) | |
tree | 0af05df941b1e399a5d31104577df76032b7b042 /net/ipv4/tcp_minisocks.c | |
parent | a53ea6051c7f2611ebc568db9bab54288dd88d0c (diff) | |
download | linux-9e13bcef24691b44c4de1257ba1ab6d2b8a43440.tar.xz |
tcp: initialize icsk_ack.lrcvtime at session start time
[ Upstream commit 15bb7745e94a665caf42bfaabf0ce062845b533b ]
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ipv4/tcp_minisocks.c')
-rw-r--r-- | net/ipv4/tcp_minisocks.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index 6234eba..8615a6b 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -466,6 +466,7 @@ 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; |