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From: Eric Dumazet <edumazet@google.com>
Date: Sun, 21 May 2017 10:39:00 -0700
Subject: tcp: fix tcp_probe_timer() for TCP_USER_TIMEOUT
Patch-mainline: v4.13-rc1
Git-commit: 4ab688793e086ef6d1744a0f803fe9770a1ae5d0
References: bsc#1061739

TCP_USER_TIMEOUT is still converted to jiffies value in
icsk_user_timeout

So we need to make a conversion for the cases HZ != 1000

Fixes: 9a568de4818d ("tcp: switch TCP TS option (RFC 7323) to 1ms clock")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Michal Kubecek <mkubecek@suse.cz>

---
 net/ipv4/tcp_timer.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 3f6aa6270b3f..b7b444b71e7c 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -329,7 +329,8 @@ static void tcp_probe_timer(struct sock *sk)
 	if (!start_ts)
 		tcp_send_head(sk)->skb_mstamp = tp->tcp_mstamp;
 	else if (icsk->icsk_user_timeout &&
-		 (s32)(tcp_time_stamp(tp) - start_ts) > icsk->icsk_user_timeout)
+		 (s32)(tcp_time_stamp(tp) - start_ts) >
+		 jiffies_to_msecs(icsk->icsk_user_timeout))
 		goto abort;
 
 	max_probes = sock_net(sk)->ipv4.sysctl_tcp_retries2;
-- 
2.15.1