From: Zhang Changzhong <zhangchangzhong@huawei.com>
Date: Tue, 6 Jul 2021 11:00:08 +0000 (+0800)
Subject: can: j1939: j1939_xtp_rx_dat_one(): fix rxtimer value between consecutive TP.DT to... 
X-Git-Tag: baikal/aarch64/sdk5.9~7578
X-Git-Url: https://git.baikalelectronics.ru/?a=commitdiff_plain;h=76fae73252f6e673b45dedd6c58a112b83adab88;p=kernel.git

can: j1939: j1939_xtp_rx_dat_one(): fix rxtimer value between consecutive TP.DT to 750ms

commit c6eea1c8bda56737752465a298dc6ce07d6b8ce3 upstream.

For receive side, the max time interval between two consecutive TP.DT
should be 750ms.

Fixes: 877b9bba3266 ("can: add support of SAE J1939 protocol")
Link: https://lore.kernel.org/r/1625569210-47506-1-git-send-email-zhangchangzhong@huawei.com
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/net/can/j1939/transport.c b/net/can/j1939/transport.c
index 5252bbd1617c6..c5b54089934f7 100644
--- a/net/can/j1939/transport.c
+++ b/net/can/j1939/transport.c
@@ -1869,7 +1869,7 @@ static void j1939_xtp_rx_dat_one(struct j1939_session *session,
 		if (!session->transmission)
 			j1939_tp_schedule_txtimer(session, 0);
 	} else {
-		j1939_tp_set_rxtimeout(session, 250);
+		j1939_tp_set_rxtimeout(session, 750);
 	}
 	session->last_cmd = 0xff;
 	consume_skb(se_skb);