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authorEric Dumazet <edumazet@google.com>2019-01-17 11:23:42 -0800
committerDavid S. Miller <davem@davemloft.net>2019-01-17 22:19:05 -0800
commit6bcdc40dddfe79408e809ec1e2c13f08c863c0b2 (patch)
treee432d56cc0b4e01edc9e755e231143a6afea0613 /net/ipv4/tcp.c
parenttcp: move tp->rack init to tcp_disconnect() (diff)
downloadlinux-dev-6bcdc40dddfe79408e809ec1e2c13f08c863c0b2.tar.xz
linux-dev-6bcdc40dddfe79408e809ec1e2c13f08c863c0b2.zip
tcp: move rx_opt & syn_data_acked init to tcp_disconnect()
If we make sure all listeners have these fields cleared, then a clone will also inherit zero values. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp.c')
-rw-r--r--net/ipv4/tcp.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 2348199e6cee..541bdb9f81d7 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2617,6 +2617,10 @@ int tcp_disconnect(struct sock *sk, int flags)
tp->rack.last_delivered = 0;
tp->rack.reo_wnd_persist = 0;
tp->rack.dsack_seen = 0;
+ tp->syn_data_acked = 0;
+ tp->rx_opt.saw_tstamp = 0;
+ tp->rx_opt.dsack = 0;
+ tp->rx_opt.num_sacks = 0;
/* Clean up fastopen related fields */