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authorGreg Kroah-Hartman <gregkh@google.com>2019-06-17 20:30:38 +0200
committerGreg Kroah-Hartman <gregkh@google.com>2019-06-17 20:30:38 +0200
commit15b29f5df10905a71491d2737ea423cd4458bc3b (patch)
tree579ee36abd7dd2a222ced3aac1a4cf33a327a832 /net/ipv4/tcp_timer.c
parent7b41aee921e20b15fb9f12d5042386ed2416f786 (diff)
parent33790f2eda7393d422927078597a33475792c82c (diff)
Merge 4.4.182 into android-4.4-p
Changes in 4.4.182 tcp: limit payload size of sacked skbs tcp: tcp_fragment() should apply sane memory limits tcp: add tcp_min_snd_mss sysctl tcp: enforce tcp_min_snd_mss in tcp_mtu_probing() Linux 4.4.182 Change-Id: Idb237d729dbdbfc2d0e41544b19f0d5d6547644b Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Diffstat (limited to 'net/ipv4/tcp_timer.c')
-rw-r--r--net/ipv4/tcp_timer.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 35f638cfc675..61359944acc7 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -132,6 +132,7 @@ static void tcp_mtu_probing(struct inet_connection_sock *icsk, struct sock *sk)
mss = tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_low) >> 1;
mss = min(net->ipv4.sysctl_tcp_base_mss, mss);
mss = max(mss, 68 - tp->tcp_header_len);
+ mss = max(mss, net->ipv4.sysctl_tcp_min_snd_mss);
icsk->icsk_mtup.search_low = tcp_mss_to_mtu(sk, mss);
tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);
}