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 X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY 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 BB42BC433E9 for ; Mon, 15 Feb 2021 17:13:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9155964E1E for ; Mon, 15 Feb 2021 17:13:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232596AbhBORNF (ORCPT ); Mon, 15 Feb 2021 12:13:05 -0500 Received: from aserp2130.oracle.com ([141.146.126.79]:56300 "EHLO aserp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231946AbhBOQBe (ORCPT ); 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Mon, 15 Feb 2021 15:59:02 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userp3020.oracle.com with ESMTP id 36prhqh691-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 15 Feb 2021 15:59:02 +0000 Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 11FFwwcQ003695; Mon, 15 Feb 2021 15:58:59 GMT Received: from mwanda (/102.36.221.92) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 15 Feb 2021 07:58:58 -0800 Date: Mon, 15 Feb 2021 18:58:49 +0300 From: Dan Carpenter To: Miquel Raynal , Vipin Kumar Cc: Richard Weinberger , Vignesh Raghavendra , Boris Brezillon , Tony Luck , Fenghua Yu , linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH] mtd: rawnand: fsmc: Fix error code in fsmc_nand_probe() Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Mailer: git-send-email haha only kidding X-Proofpoint-IMR: 1 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9896 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 adultscore=0 mlxscore=0 bulkscore=0 suspectscore=0 malwarescore=0 spamscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2102150125 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9896 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 malwarescore=0 phishscore=0 clxscore=1011 mlxscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2102150125 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If dma_request_channel() fails then the probe fails and it should return a negative error code, but currently it returns success. fixes: 4774fb0a48aa ("mtd: nand/fsmc: Add DMA support") Signed-off-by: Dan Carpenter --- drivers/mtd/nand/raw/fsmc_nand.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mtd/nand/raw/fsmc_nand.c b/drivers/mtd/nand/raw/fsmc_nand.c index 0101c0fab50a..a24e2f57fa68 100644 --- a/drivers/mtd/nand/raw/fsmc_nand.c +++ b/drivers/mtd/nand/raw/fsmc_nand.c @@ -1077,11 +1077,13 @@ static int __init fsmc_nand_probe(struct platform_device *pdev) host->read_dma_chan = dma_request_channel(mask, filter, NULL); if (!host->read_dma_chan) { dev_err(&pdev->dev, "Unable to get read dma channel\n"); + ret = -ENODEV; goto disable_clk; } host->write_dma_chan = dma_request_channel(mask, filter, NULL); if (!host->write_dma_chan) { dev_err(&pdev->dev, "Unable to get write dma channel\n"); + ret = -ENODEV; goto release_dma_read_chan; } } -- 2.30.0