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=-17.3 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 67848C433DB for ; Sun, 7 Feb 2021 09:25:00 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 D77B964E43 for ; Sun, 7 Feb 2021 09:24:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D77B964E43 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-Id:Date:Subject: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=GpCu8K1dCzYOdt/1ruNFs3PYFxzwqQFW3frO7cV+SGw=; b=hszAgpdCsePkkkMOkDZPhB4M4i fVP/srBpS+cvEOjO6AG3mgpMdd9yWo6Efb2LVVNmzYmysfLIDaPrgH1VKZtKoYl/2s5nboVem9nL0 6pt/IUehKMBtl+aFvaYfneQQTVN8f/4QOAx3fczPyp0gWSOyxGeQPuz87v77XVkNlQ/VjCJoK2P1M ENuPxzcqXmm1yvzEg3Wa2mZKWPRrGTic5U1BZ7m+XBNdDyhIYgtndHJPcG8QfsxeJvD7E9egQHfyd aoKmyP6mNPYnvFUsNeeZY9A8t/NgXJTlc+c6PFj/Nqlie7WCLrTt/iv3uRhhqAX7amP+jn0bUmjL7 Kg66vIOg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l8gIE-0004SX-C2; Sun, 07 Feb 2021 09:23:46 +0000 Received: from mail.loongson.cn ([114.242.206.163] helo=loongson.cn) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l8gIA-0004Qp-Tu; Sun, 07 Feb 2021 09:23:44 +0000 Received: from bogon.localdomain (unknown [113.200.148.30]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9Dxf_KRsR9gYrgHAA--.10006S2; Sun, 07 Feb 2021 17:23:29 +0800 (CST) From: Youling Tang To: Greg Kroah-Hartman , Matthias Brugger Subject: [PATCH] staging: fix ignoring return value warning Date: Sun, 7 Feb 2021 17:23:28 +0800 Message-Id: <1612689808-30985-1-git-send-email-tangyouling@loongson.cn> X-Mailer: git-send-email 2.1.0 X-CM-TRANSID: AQAAf9Dxf_KRsR9gYrgHAA--.10006S2 X-Coremail-Antispam: 1UD129KBjvJXoW7KF4kKw4DZw4DKw1DGFyfZwb_yoW8CF4fpa yxAa4Ykry2yF4Uu3yUAF1xZ3Z8ua4xK3y8Cayqyw1F9ryrJa4Svry5tFyUKr4rJr93KF4r tFW7ZF4UZay8WrDanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUkl14x267AKxVW8JVW5JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26w1j6s0DM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4U JVWxJr1l84ACjcxK6I8E87Iv67AKxVWxJr0_GcWl84ACjcxK6I8E87Iv6xkF7I0E14v26r xl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj 6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr 0_Gr1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkIecxEwVAFwVW8 uwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r 1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_JF0_Jw1lIxkGc2Ij 64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr 0_Gr1lIxAIcVCF04k26cxKx2IYs7xG6rW3Jr0E3s1lIxAIcVC2z280aVAFwI0_Jr0_Gr1l IxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUjwSdDUUUU U== X-CM-SenderInfo: 5wdqw5prxox03j6o00pqjv00gofq/ X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210207_042344_040126_536DF2CC X-CRM114-Status: UNSURE ( 9.60 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devel@driverdev.osuosl.org, tangyouling@loongson.cn, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Fix the below ignoring return value warning for device_reset. drivers/staging/mt7621-dma/mtk-hsdma.c:685:2: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result] device_reset(&pdev->dev); ^~~~~~~~~~~~ ~~~~~~~~~~ drivers/staging/ralink-gdma/ralink-gdma.c:836:2: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result] device_reset(&pdev->dev); ^~~~~~~~~~~~ ~~~~~~~~~~ Signed-off-by: Youling Tang --- drivers/staging/mt7621-dma/mtk-hsdma.c | 6 +++++- drivers/staging/ralink-gdma/ralink-gdma.c | 6 +++++- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/staging/mt7621-dma/mtk-hsdma.c b/drivers/staging/mt7621-dma/mtk-hsdma.c index bc4bb43..d4ffa52 100644 --- a/drivers/staging/mt7621-dma/mtk-hsdma.c +++ b/drivers/staging/mt7621-dma/mtk-hsdma.c @@ -682,7 +682,11 @@ static int mtk_hsdma_probe(struct platform_device *pdev) return ret; } - device_reset(&pdev->dev); + ret = device_reset(&pdev->dev); + if (ret) { + dev_err(&pdev->dev, "failed to reset device\n"); + return ret; + } dd = &hsdma->ddev; dma_cap_set(DMA_MEMCPY, dd->cap_mask); diff --git a/drivers/staging/ralink-gdma/ralink-gdma.c b/drivers/staging/ralink-gdma/ralink-gdma.c index 655df31..df99c47 100644 --- a/drivers/staging/ralink-gdma/ralink-gdma.c +++ b/drivers/staging/ralink-gdma/ralink-gdma.c @@ -833,7 +833,11 @@ static int gdma_dma_probe(struct platform_device *pdev) return ret; } - device_reset(&pdev->dev); + ret = device_reset(&pdev->dev); + if (ret) { + dev_err(&pdev->dev, "failed to reset device\n"); + return ret; + } dd = &dma_dev->ddev; dma_cap_set(DMA_MEMCPY, dd->cap_mask); -- 2.1.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel