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 D0796C25B0E for ; Fri, 19 Aug 2022 06:09:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346787AbiHSGJx (ORCPT ); Fri, 19 Aug 2022 02:09:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39052 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346634AbiHSGJD (ORCPT ); Fri, 19 Aug 2022 02:09:03 -0400 Received: from mail-ej1-x62e.google.com (mail-ej1-x62e.google.com [IPv6:2a00:1450:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 675AE24BD7 for ; Thu, 18 Aug 2022 23:08:30 -0700 (PDT) Received: by mail-ej1-x62e.google.com with SMTP id i14so6977916ejg.6 for ; Thu, 18 Aug 2022 23:08:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ionos.com; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=nqYvJwkPyhGWw+zs1FTUvC87NAtZOXSQ3RqOerl0RrE=; b=fiuYIZZteuYPevbr1jm85MKPd5CH4K37Lu4s75kvjuumhqQNFhJ070aTDxlo8rddZH i+SLkKBHFRU3yeK8DOPjK8gtAyWibQEuXvJ8eP9IHSg/vRac7WgRAymuwe9+ZobzdLFN PxR14UjJQUSwykQ7XL3yHLtQ4vIhSNDABxzAuHo0Xmno3tATOenqwGlRgr3r4XJhrefO D77YhaODhrbxs5QaR/3iE+LF0FPSh9Ss0hm+76qlQi4ZO1yohXeMcT2tciZbP4zjCTWi ITu0PHFBTopfTT6ON3pqalPDv/DMSFxCS4bqvqWVeoQK7zX6Pur+EiSUCX6SB3Idc4bs hj3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=nqYvJwkPyhGWw+zs1FTUvC87NAtZOXSQ3RqOerl0RrE=; b=GDZaU947nwywFIEBeyezAm0vOkAcqhtKBBd9rdp1/9plyz8RDbFPHYKpD7F01BhBpS L3ScGaMrtyFntTuRW8qeA4qAJK7j+cGoX4G6hJaPgubqE3BxqsA/zurXzUnyMnnQuyq9 j1hcVoAWHxhKvzB+dHsRj8jEoIB1zq+Xzc2rZN249MzQnryYYk/lyQIpuKIlo/SktBbV 6Yxr11aapeZSqJBioodiQSr2KAooycQwM+4ke++AogqJsoFsNnrdiT4sESKrLG/frNB+ JbCPUlr+Ge/+AOsmyKfA3tRto2HSkTd6lBiyyf0j6CxH4Bhmv/czlxyAAePzLONrZ+D9 0tzA== X-Gm-Message-State: ACgBeo1Gj8OYpF8g3XJaeV22pxWf+8I1AhBfOmtTZfD7mSunSewaGpEp OqHSYz5vh9zjBoM5cQHYuSjSrdUO6fQllH35 X-Google-Smtp-Source: AA6agR63MvipYuGx9P2SlYQNDL6T8+iUmE8z45ilOguyJ5frm1741Qd6zDL+S52D+AlEU7kMb3PpMg== X-Received: by 2002:a17:907:7628:b0:730:b755:4414 with SMTP id jy8-20020a170907762800b00730b7554414mr3907267ejc.11.1660889310244; Thu, 18 Aug 2022 23:08:30 -0700 (PDT) Received: from lb02065.fritz.box ([2001:9e8:143b:fd00:5207:8c7f:747a:b80d]) by smtp.gmail.com with ESMTPSA id y14-20020a1709063a8e00b0073a644ef803sm1809660ejd.101.2022.08.18.23.08.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Aug 2022 23:08:28 -0700 (PDT) From: Jack Wang To: linux-kernel@vger.kernel.org Cc: Ulf Hansson , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org Subject: [PATCH v1 17/19] mmc: meson-mx-sdhc: Fix error check for dma_map_sg Date: Fri, 19 Aug 2022 08:07:59 +0200 Message-Id: <20220819060801.10443-18-jinpu.wang@ionos.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220819060801.10443-1-jinpu.wang@ionos.com> References: <20220819060801.10443-1-jinpu.wang@ionos.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org dma_map_sg return 0 on error. Cc: Ulf Hansson Cc: Neil Armstrong Cc: Kevin Hilman Cc: Jerome Brunet Cc: Martin Blumenstingl Cc: linux-mmc@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-amlogic@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Jack Wang --- drivers/mmc/host/meson-mx-sdhc-mmc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mmc/host/meson-mx-sdhc-mmc.c b/drivers/mmc/host/meson-mx-sdhc-mmc.c index e92e63cb5641..b32364f20c32 100644 --- a/drivers/mmc/host/meson-mx-sdhc-mmc.c +++ b/drivers/mmc/host/meson-mx-sdhc-mmc.c @@ -388,7 +388,7 @@ static int meson_mx_sdhc_map_dma(struct mmc_host *mmc, struct mmc_request *mrq) dma_len = dma_map_sg(mmc_dev(mmc), data->sg, data->sg_len, mmc_get_dma_dir(data)); - if (dma_len <= 0) { + if (!dma_len) { dev_err(mmc_dev(mmc), "dma_map_sg failed\n"); return -ENOMEM; } -- 2.34.1