From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 603B3C433EF for ; Thu, 17 Mar 2022 10:22:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232546AbiCQKYG (ORCPT ); Thu, 17 Mar 2022 06:24:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50356 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230006AbiCQKYD (ORCPT ); Thu, 17 Mar 2022 06:24:03 -0400 Received: from mail.meizu.com (unknown [14.29.68.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 450811DE6E4 for ; Thu, 17 Mar 2022 03:22:46 -0700 (PDT) Received: from IT-EXMB-1-125.meizu.com (172.16.1.125) by mz-mail04.meizu.com (172.16.1.16) with Microsoft SMTP Server (TLS) id 14.3.487.0; Thu, 17 Mar 2022 18:22:45 +0800 Received: from meizu.meizu.com (172.16.137.70) by IT-EXMB-1-125.meizu.com (172.16.1.125) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.14; Thu, 17 Mar 2022 18:22:44 +0800 From: Haowen Bai To: CC: , , Haowen Bai Subject: [PATCH] dmaengine: pl08x: remove unneeded variable: "retval". Return "NULL" Date: Thu, 17 Mar 2022 18:22:42 +0800 Message-ID: <1647512562-18246-1-git-send-email-baihaowen@meizu.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [172.16.137.70] X-ClientProxiedBy: IT-EXMB-1-126.meizu.com (172.16.1.126) To IT-EXMB-1-125.meizu.com (172.16.1.125) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Unneeded variable: "retval". Return "NULL" , so we have to make code clear. Signed-off-by: Haowen Bai --- drivers/dma/amba-pl08x.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c index a24882b..c70552a 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -1538,9 +1538,7 @@ static void pl08x_free_chan_resources(struct dma_chan *chan) static struct dma_async_tx_descriptor *pl08x_prep_dma_interrupt( struct dma_chan *chan, unsigned long flags) { - struct dma_async_tx_descriptor *retval = NULL; - - return retval; + return NULL; } /* -- 2.7.4