From patchwork Tue Nov 17 02:55:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Changzhong X-Patchwork-Id: 325093 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 AEA5DC6369E for ; Tue, 17 Nov 2020 02:54:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 72B6B2469D for ; Tue, 17 Nov 2020 02:54:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726546AbgKQCxu (ORCPT ); Mon, 16 Nov 2020 21:53:50 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:7693 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725554AbgKQCxt (ORCPT ); Mon, 16 Nov 2020 21:53:49 -0500 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4CZr9P4wnnzkYRC; Tue, 17 Nov 2020 10:53:29 +0800 (CST) Received: from compute.localdomain (10.175.112.70) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server (TLS) id 14.3.487.0; Tue, 17 Nov 2020 10:53:41 +0800 From: Zhang Changzhong To: , , , , , , , , , CC: , Subject: [PATCH net] atl1c: fix error return code in atl1c_probe() Date: Tue, 17 Nov 2020 10:55:21 +0800 Message-ID: <1605581721-36028-1-git-send-email-zhangchangzhong@huawei.com> X-Mailer: git-send-email 1.8.3.1 MIME-Version: 1.0 X-Originating-IP: [10.175.112.70] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Fix to return a negative error code from the error handling case instead of 0, as done elsewhere in this function. Fixes: 85eb5bc33717 ("net: atheros: switch from 'pci_' to 'dma_' API") Reported-by: Hulk Robot Signed-off-by: Zhang Changzhong --- drivers/net/ethernet/atheros/atl1c/atl1c_main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c index 0c12cf7..3f65f2b 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -2543,8 +2543,8 @@ static int atl1c_probe(struct pci_dev *pdev, const struct pci_device_id *ent) * various kernel subsystems to support the mechanics required by a * fixed-high-32-bit system. */ - if ((dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) || - (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0)) { + err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (err) { dev_err(&pdev->dev, "No usable DMA configuration,aborting\n"); goto err_dma; }