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=-19.1 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, 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 1C43EC433B4 for ; Thu, 20 May 2021 09:52:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE57861C36 for ; Thu, 20 May 2021 09:52:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233400AbhETJx2 (ORCPT ); Thu, 20 May 2021 05:53:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:52778 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234022AbhETJvD (ORCPT ); Thu, 20 May 2021 05:51:03 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 6FA1761483; Thu, 20 May 2021 09:35:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1621503340; bh=W79B+XYCSlgHYM4bkTfgQTXiocI3S3lj9Bj8VehCPBM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=A4Zpa8Phrzu+i4lSoQL29E/4AjKkWwE3Op2V4HqjNBpkHvueN/Nuog7Mk1Fi1MdfO +i0JvFxlXinut2ffllaAtvzKonNHOjPgIx3NlrNHyUyrS4epMNC5gIwtDr2nKsexvd 8Ir13OsdOFrK7jHB/JrvOX8BceIeBVxH1oXI3fG4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Manivannan Sadhasivam , Miquel Raynal , Sasha Levin Subject: [PATCH 4.19 176/425] mtd: rawnand: qcom: Return actual error code instead of -ENODEV Date: Thu, 20 May 2021 11:19:05 +0200 Message-Id: <20210520092137.220941795@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210520092131.308959589@linuxfoundation.org> References: <20210520092131.308959589@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Manivannan Sadhasivam [ Upstream commit 55fbb9ba4f06cb6aff32daca1e1910173c13ec51 ] In qcom_probe_nand_devices() function, the error code returned by qcom_nand_host_init_and_register() is converted to -ENODEV in the case of failure. This poses issue if -EPROBE_DEFER is returned when the dependency is not available for a component like parser. So let's restructure the error handling logic a bit and return the actual error code in case of qcom_nand_host_init_and_register() failure. Fixes: c76b78d8ec05 ("mtd: nand: Qualcomm NAND controller driver") Signed-off-by: Manivannan Sadhasivam Signed-off-by: Miquel Raynal Signed-off-by: Sasha Levin --- drivers/mtd/nand/raw/qcom_nandc.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c index 2726f1824233..148c7a16f318 100644 --- a/drivers/mtd/nand/raw/qcom_nandc.c +++ b/drivers/mtd/nand/raw/qcom_nandc.c @@ -2865,7 +2865,7 @@ static int qcom_probe_nand_devices(struct qcom_nand_controller *nandc) struct device *dev = nandc->dev; struct device_node *dn = dev->of_node, *child; struct qcom_nand_host *host; - int ret; + int ret = -ENODEV; for_each_available_child_of_node(dn, child) { host = devm_kzalloc(dev, sizeof(*host), GFP_KERNEL); @@ -2883,10 +2883,7 @@ static int qcom_probe_nand_devices(struct qcom_nand_controller *nandc) list_add_tail(&host->node, &nandc->host_list); } - if (list_empty(&nandc->host_list)) - return -ENODEV; - - return 0; + return ret; } /* parse custom DT properties here */ -- 2.30.2