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=-19.4 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, 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 BF947C11F72 for ; Mon, 12 Jul 2021 09:03:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B654A61026 for ; Mon, 12 Jul 2021 09:03:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1382819AbhGLJCX (ORCPT ); Mon, 12 Jul 2021 05:02:23 -0400 Received: from mail.kernel.org ([198.145.29.99]:55110 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353133AbhGLIBg (ORCPT ); Mon, 12 Jul 2021 04:01:36 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 37C6E61C50; Mon, 12 Jul 2021 07:54:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626076459; bh=Q2FOvnjICuD6VGslWPL85LRcJm03rb1WO9PQ2VacMHA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BUq/zmCJJkTZCrwGiP+sQn+8mdaz2a6deBwjFAJaK+V/k9FMNZrSPBVQv+C0fRVWU j39h4rFrSE87waIFtbZ0RZ02Bcq4y9OUGhb9REyMkbWnBaFqRiTkkmRDbO/WHpTnrL z8VXaYsRDw8R0Jd55C5NlMfgZs85H8rxOC0ZTarg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Andy Shevchenko , Christophe JAILLET , Sasha Levin Subject: [PATCH 5.13 650/800] misc/pvpanic-pci: Fix error handling in pvpanic_pci_probe() Date: Mon, 12 Jul 2021 08:11:13 +0200 Message-Id: <20210712061036.174665211@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060912.995381202@linuxfoundation.org> References: <20210712060912.995381202@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: Christophe JAILLET [ Upstream commit 372dae89972594393b57f29ec44e351fa7eedbbe ] There is no error handling path in the probe function. Switch to managed resource so that errors in the probe are handled easily and simplify the remove function accordingly. Fixes: db3a4f0abefd ("misc/pvpanic: add PCI driver") Reviewed-by: Andy Shevchenko Signed-off-by: Christophe JAILLET Link: https://lore.kernel.org/r/ab071b1f4ed6e1174f9199095fb16a58bb406090.1621665058.git.christophe.jaillet@wanadoo.fr Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/misc/pvpanic/pvpanic-pci.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/misc/pvpanic/pvpanic-pci.c b/drivers/misc/pvpanic/pvpanic-pci.c index 9ecc4e8559d5..046ce4ecc195 100644 --- a/drivers/misc/pvpanic/pvpanic-pci.c +++ b/drivers/misc/pvpanic/pvpanic-pci.c @@ -78,15 +78,15 @@ static int pvpanic_pci_probe(struct pci_dev *pdev, void __iomem *base; int ret; - ret = pci_enable_device(pdev); + ret = pcim_enable_device(pdev); if (ret < 0) return ret; - base = pci_iomap(pdev, 0, 0); + base = pcim_iomap(pdev, 0, 0); if (!base) return -ENOMEM; - pi = kmalloc(sizeof(*pi), GFP_ATOMIC); + pi = devm_kmalloc(&pdev->dev, sizeof(*pi), GFP_ATOMIC); if (!pi) return -ENOMEM; @@ -107,9 +107,6 @@ static void pvpanic_pci_remove(struct pci_dev *pdev) struct pvpanic_instance *pi = dev_get_drvdata(&pdev->dev); pvpanic_remove(pi); - iounmap(pi->base); - kfree(pi); - pci_disable_device(pdev); } static struct pci_driver pvpanic_pci_driver = { -- 2.30.2