From patchwork Tue Dec 29 13:49:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zheng Yongjun X-Patchwork-Id: 11992397 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6DC9CC4332E for ; Tue, 29 Dec 2020 13:50:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3EAFB207C9 for ; Tue, 29 Dec 2020 13:50:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726655AbgL2Nty (ORCPT ); Tue, 29 Dec 2020 08:49:54 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:9942 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726492AbgL2Nty (ORCPT ); Tue, 29 Dec 2020 08:49:54 -0500 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4D4wjs5V2Tzhyy0; Tue, 29 Dec 2020 21:48:33 +0800 (CST) Received: from ubuntu.network (10.175.138.68) by DGGEMS414-HUB.china.huawei.com (10.3.19.214) with Microsoft SMTP Server id 14.3.498.0; Tue, 29 Dec 2020 21:49:02 +0800 From: Zheng Yongjun To: , , , , CC: Zheng Yongjun Subject: [PATCH net-next] net: usb: Use DEFINE_SPINLOCK() for spinlock Date: Tue, 29 Dec 2020 21:49:27 +0800 Message-ID: <20201229134927.23251-1-zhengyongjun3@huawei.com> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 X-Originating-IP: [10.175.138.68] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org spinlock can be initialized automatically with DEFINE_SPINLOCK() rather than explicitly calling spin_lock_init(). Signed-off-by: Zheng Yongjun --- drivers/net/usb/hso.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index 2bb28db89432..ef6dd012b8c4 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -370,7 +370,7 @@ static struct usb_driver hso_driver; static struct tty_driver *tty_drv; static struct hso_device *serial_table[HSO_SERIAL_TTY_MINORS]; static struct hso_device *network_table[HSO_MAX_NET_DEVICES]; -static spinlock_t serial_table_lock; +static DEFINE_SPINLOCK(serial_table_lock); static const s32 default_port_spec[] = { HSO_INTF_MUX | HSO_PORT_NETWORK, @@ -3236,7 +3236,6 @@ static int __init hso_init(void) pr_info("%s\n", version); /* Initialise the serial table semaphore and table */ - spin_lock_init(&serial_table_lock); for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) serial_table[i] = NULL;