From patchwork Wed Sep 8 09:28:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bixuan Cui X-Patchwork-Id: 12480647 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,USER_AGENT_GIT autolearn=ham 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 31AB5C433EF for ; Wed, 8 Sep 2021 09:32:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0688761158 for ; Wed, 8 Sep 2021 09:32:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245528AbhIHJd3 (ORCPT ); Wed, 8 Sep 2021 05:33:29 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:15393 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346064AbhIHJd2 (ORCPT ); Wed, 8 Sep 2021 05:33:28 -0400 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4H4Gyp3fJmzR3hH; Wed, 8 Sep 2021 17:28:18 +0800 (CST) Received: from dggpemm500004.china.huawei.com (7.185.36.219) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Wed, 8 Sep 2021 17:32:17 +0800 Received: from huawei.com (10.174.28.241) by dggpemm500004.china.huawei.com (7.185.36.219) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Wed, 8 Sep 2021 17:32:17 +0800 From: Bixuan Cui To: , CC: , , Subject: [PATCH -next] dmaengine: idxd: Use list_move_tail instead of list_del/list_add_tail Date: Wed, 8 Sep 2021 17:28:26 +0800 Message-ID: <20210908092826.67765-1-cuibixuan@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.174.28.241] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemm500004.china.huawei.com (7.185.36.219) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org Using list_move_tail() instead of list_del() + list_add_tail() Reported-by: Hulk Robot Signed-off-by: Bixuan Cui Acked-by: Dave Jiang --- drivers/dma/idxd/irq.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/dma/idxd/irq.c b/drivers/dma/idxd/irq.c index ca88fa7a328e..79fcfc4883e4 100644 --- a/drivers/dma/idxd/irq.c +++ b/drivers/dma/idxd/irq.c @@ -221,8 +221,7 @@ static void irq_process_work_list(struct idxd_irq_entry *irq_entry) list_for_each_entry_safe(desc, n, &irq_entry->work_list, list) { if (desc->completion->status) { - list_del(&desc->list); - list_add_tail(&desc->list, &flist); + list_move_tail(&desc->list, &flist); } }