diff options
Diffstat (limited to 'drivers/rapidio/rio_cm.c')
| -rw-r--r-- | drivers/rapidio/rio_cm.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/rapidio/rio_cm.c b/drivers/rapidio/rio_cm.c index cf45829585cb..50ec53d67a4c 100644 --- a/drivers/rapidio/rio_cm.c +++ b/drivers/rapidio/rio_cm.c @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * rio_cm - RapidIO Channelized Messaging Driver * * Copyright 2013-2016 Integrated Device Technology, Inc. * Copyright (c) 2015, Prodrive Technologies * Copyright (c) 2015, RapidIO Trade Association - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS PROGRAM IS DISTRIBUTED IN THE HOPE THAT IT WILL BE USEFUL, - * BUT WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. SEE THE - * GNU GENERAL PUBLIC LICENSE FOR MORE DETAILS. */ #include <linux/module.h> @@ -2147,6 +2138,14 @@ static int riocm_add_mport(struct device *dev, mutex_init(&cm->rx_lock); riocm_rx_fill(cm, RIOCM_RX_RING_SIZE); cm->rx_wq = create_workqueue(DRV_NAME "/rxq"); + if (!cm->rx_wq) { + riocm_error("failed to allocate IBMBOX_%d on %s", + cmbox, mport->name); + rio_release_outb_mbox(mport, cmbox); + kfree(cm); + return -ENOMEM; + } + INIT_WORK(&cm->rx_work, rio_ibmsg_handler); cm->tx_slot = 0; |