diff options
Diffstat (limited to 'drivers/net/ethernet/emulex/benet/be_main.c')
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_main.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index e2f9fbced174..2edb86ec9fe9 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2005 - 2016 Broadcom * All rights reserved. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. The full GNU General - * Public License is included in this distribution in the file called COPYING. - * * Contact Information: * linux-drivers@emulex.com * @@ -4701,8 +4697,17 @@ int be_update_queues(struct be_adapter *adapter) struct net_device *netdev = adapter->netdev; int status; - if (netif_running(netdev)) + if (netif_running(netdev)) { + /* be_tx_timeout() must not run concurrently with this + * function, synchronize with an already-running dev_watchdog + */ + netif_tx_lock_bh(netdev); + /* device cannot transmit now, avoid dev_watchdog timeouts */ + netif_carrier_off(netdev); + netif_tx_unlock_bh(netdev); + be_close(netdev); + } be_cancel_worker(adapter); |