From 7bd9890f3d74e96f0e1a898f68decfc711de3001 Mon Sep 17 00:00:00 2001 From: Jeremy Kerr Date: Thu, 25 Nov 2021 14:07:37 +0800 Subject: [PATCH] mctp: serial: cancel tx work on ldisc close We want to ensure that the tx work has finished before returning from the ldisc close op, so do a synchronous cancel. Reported-by: Jiri Slaby Signed-off-by: Jeremy Kerr Signed-off-by: Jakub Kicinski --- drivers/net/mctp/mctp-serial.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/mctp/mctp-serial.c b/drivers/net/mctp/mctp-serial.c index 9ac0e187f36e..85b407f4df11 100644 --- a/drivers/net/mctp/mctp-serial.c +++ b/drivers/net/mctp/mctp-serial.c @@ -479,6 +479,7 @@ static void mctp_serial_close(struct tty_struct *tty) int idx = dev->idx; unregister_netdev(dev->netdev); + cancel_work_sync(&dev->tx_work); ida_free(&mctp_serial_ida, idx); } -- 2.11.0