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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 F0AB9C76196 for ; Fri, 19 Jul 2019 04:07:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C0EB8218BB for ; Fri, 19 Jul 2019 04:07:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563509265; bh=Q2SEaEAU3FeOtqv5GUeAciOTGA6J81HutJNlYGYF0XQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=bpnt3PotDvS4wHMTEDGvgdmSuxaQHr+2Bud/0sDSul4arsYXnZpWbn0ot+PQEqmXv ezxsZCyc7tIEWSpVYOeYj2v97ktF3Mfd7SVve2WotFfZWUWwt8rspEpeARrlzsRg89 YLaJ3OxAsugS6m1LxbUqPKRgcQrCRezIN9lkrkQ0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731081AbfGSEHl (ORCPT ); Fri, 19 Jul 2019 00:07:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:41456 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727739AbfGSEHk (ORCPT ); Fri, 19 Jul 2019 00:07:40 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EF6B3218C3; Fri, 19 Jul 2019 04:07:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563509259; bh=Q2SEaEAU3FeOtqv5GUeAciOTGA6J81HutJNlYGYF0XQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=s93kMGyLLD2k3k1Gj4gRZm/ikUNwk2u+bwfE0Pt/vu5BH+iqKGp+d38xqYdY4ILmj dQrprdakBzL9JmnDSLyNp+oY9QhWCxKbRoQcfkWfH0shYLQqQC1m3CCwEBe5YHRPMs PtXPvI4UkTKsNyAi7295mksI8iGbzIULf79Gu82M= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Fabien Dessenne , Fabrice Gasnier , Jonathan Cameron , Sasha Levin , linux-iio@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 003/101] iio: adc: stm32-dfsdm: missing error case during probe Date: Fri, 19 Jul 2019 00:05:54 -0400 Message-Id: <20190719040732.17285-3-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190719040732.17285-1-sashal@kernel.org> References: <20190719040732.17285-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Fabien Dessenne [ Upstream commit d2fc0156963cae8f1eec8e2dd645fbbf1e1c1c8e ] During probe, check the devm_ioremap_resource() error value. Also return the devm_clk_get() error value instead of -EINVAL. Signed-off-by: Fabien Dessenne Acked-by: Fabrice Gasnier Signed-off-by: Jonathan Cameron Signed-off-by: Sasha Levin --- drivers/iio/adc/stm32-dfsdm-core.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/iio/adc/stm32-dfsdm-core.c b/drivers/iio/adc/stm32-dfsdm-core.c index bf089f5d6225..941630615e88 100644 --- a/drivers/iio/adc/stm32-dfsdm-core.c +++ b/drivers/iio/adc/stm32-dfsdm-core.c @@ -213,6 +213,8 @@ static int stm32_dfsdm_parse_of(struct platform_device *pdev, } priv->dfsdm.phys_base = res->start; priv->dfsdm.base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(priv->dfsdm.base)) + return PTR_ERR(priv->dfsdm.base); /* * "dfsdm" clock is mandatory for DFSDM peripheral clocking. @@ -222,8 +224,10 @@ static int stm32_dfsdm_parse_of(struct platform_device *pdev, */ priv->clk = devm_clk_get(&pdev->dev, "dfsdm"); if (IS_ERR(priv->clk)) { - dev_err(&pdev->dev, "No stm32_dfsdm_clk clock found\n"); - return -EINVAL; + ret = PTR_ERR(priv->clk); + if (ret != -EPROBE_DEFER) + dev_err(&pdev->dev, "Failed to get clock (%d)\n", ret); + return ret; } priv->aclk = devm_clk_get(&pdev->dev, "audio"); -- 2.20.1