From patchwork Mon Jun 7 03:20:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zou Wei X-Patchwork-Id: 12302455 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=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 C4511C4743D for ; Mon, 7 Jun 2021 03:03:54 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 679B7610FC for ; Mon, 7 Jun 2021 03:03:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 679B7610FC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=vnYlJdMwQ+Rp2ckc+x1QqPbB1G6ujUNSDKdhxdLeR2k=; b=YnsCgRV9r/WOQM 6mdZGUgB4p012S7QJ1eYxu2xO0PewtXll3H4NxUCtXylvwc06qgplZVkh378c/pGVF83Ire822ylp a171J7kvEm/rFk+euJJsivsfmBCJHdCSWNMe4uegGx+xwJZq2uDWXmZaj370aGKXlXcnawZ2MLFK3 hplEVdod3Apg5tGBV+Bv5b65mnuuEcLlzLO77wB9dCldYU+0PVN+ZKHAade988rMT9NIY+zmKJqnq UgVZ4/DllszNhOk0dyHgYKNIMq4cVERCJSmerfAPrtSKR1C3fLM+f4GA/T1MzJXxvwGpJe7SMijY1 2MWZCinDw+CbB/+pf9tQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lq5Wj-001Ip4-Bi; Mon, 07 Jun 2021 03:02:09 +0000 Received: from szxga08-in.huawei.com ([45.249.212.255]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lq5Wf-001IoZ-Fx for linux-arm-kernel@lists.infradead.org; Mon, 07 Jun 2021 03:02:06 +0000 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.54]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4FyyhQ1Jsvz1BJnL; Mon, 7 Jun 2021 10:57:10 +0800 (CST) Received: from dggemi762-chm.china.huawei.com (10.1.198.148) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Mon, 7 Jun 2021 11:01:58 +0800 Received: from linux-lmwb.huawei.com (10.175.103.112) by dggemi762-chm.china.huawei.com (10.1.198.148) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Mon, 7 Jun 2021 11:01:58 +0800 From: Zou Wei To: , , , CC: , , , , Zou Wei Subject: [PATCH -next] dmaengine: sun4i: Use list_move_tail instead of list_del/list_add_tail Date: Mon, 7 Jun 2021 11:20:35 +0800 Message-ID: <1623036035-30614-1-git-send-email-zou_wei@huawei.com> X-Mailer: git-send-email 2.6.2 MIME-Version: 1.0 X-Originating-IP: [10.175.103.112] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggemi762-chm.china.huawei.com (10.1.198.148) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210606_200205_745176_11F6C02F X-CRM114-Status: GOOD ( 10.59 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Using list_move_tail() instead of list_del() + list_add_tail(). Reported-by: Hulk Robot Signed-off-by: Zou Wei Acked-by: Maxime Ripard --- drivers/dma/sun4i-dma.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/dma/sun4i-dma.c b/drivers/dma/sun4i-dma.c index e8b6633..93f1645 100644 --- a/drivers/dma/sun4i-dma.c +++ b/drivers/dma/sun4i-dma.c @@ -1042,9 +1042,8 @@ static irqreturn_t sun4i_dma_interrupt(int irq, void *dev_id) * Move the promise into the completed list now that * we're done with it */ - list_del(&vchan->processing->list); - list_add_tail(&vchan->processing->list, - &contract->completed_demands); + list_move_tail(&vchan->processing->list, + &contract->completed_demands); /* * Cyclic DMA transfers are special: