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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-01-13 14:13:05 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-01-13 14:13:05 +0300
commita6184f8e0bb1ba8b444836926cd6967ea176fd31 (patch)
tree34a580e0122747087740436055e834f295b414e4 /net/ipv4/tcp_output.c
parent477b8383100023ea0769979cff67e9be3a720397 (diff)
parentb3a987b0264d3ddbb24293ebff10eddfc472f653 (diff)
downloadlinux-a6184f8e0bb1ba8b444836926cd6967ea176fd31.tar.xz
Merge 5.5-rc6 into tty-next
We need the serial/tty fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ipv4/tcp_output.c')
-rw-r--r--net/ipv4/tcp_output.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 1f7735ca8f22..58c92a7d671c 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -72,6 +72,9 @@ static void tcp_event_new_data_sent(struct sock *sk, struct sk_buff *skb)
__skb_unlink(skb, &sk->sk_write_queue);
tcp_rbtree_insert(&sk->tcp_rtx_queue, skb);
+ if (tp->highest_sack == NULL)
+ tp->highest_sack = skb;
+
tp->packets_out += tcp_skb_pcount(skb);
if (!prior_packets || icsk->icsk_pending == ICSK_TIME_LOSS_PROBE)
tcp_rearm_rto(sk);