From patchwork Tue Oct 27 13:48:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 313090 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 7E9F3C388F9 for ; Tue, 27 Oct 2020 14:02:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 470BF22263 for ; Tue, 27 Oct 2020 14:02:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603807337; bh=A8mQgoHE6DBtAR93xHZCQvHDjal3IdrVm1mBSBx1oPw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=i22r531IJVpepuaT+IszDW3p9ScwWhtUPm+lCWEZqy9pgELxN3+SdOEfmLCMIoaFH BOj7p4t8fPjRsyQERNdoJKb2DE8r/jdI+77GOqBA3K40ES63j3i4/CB718UvitS5SP nJc1hvytsslclLWkoI8Q81DMfQrXdHBAduqEMe+A= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2411651AbgJ0OCQ (ORCPT ); Tue, 27 Oct 2020 10:02:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:50100 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753794AbgJ0OCO (ORCPT ); Tue, 27 Oct 2020 10:02:14 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8381422258; Tue, 27 Oct 2020 14:02:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603807334; bh=A8mQgoHE6DBtAR93xHZCQvHDjal3IdrVm1mBSBx1oPw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fyL12LK3XWoUWPBHuH7O10AmB9RqgULju/oLnDnDB7QrQqiLuYixJ+8WgRqNZNV1V 0x3rrGvdNNrBkW3wTTrIsLCERHcbrt/hs8uO4rng+VioCdLTlSbhL3SQS97nVqCA77 pLbDw2rqZ8FsSCIr4Fcd0SL1UgPNa+SBxvsoE5wo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dinghao Liu , Borislav Petkov , Sasha Levin Subject: [PATCH 4.9 015/139] EDAC/i5100: Fix error handling order in i5100_init_one() Date: Tue, 27 Oct 2020 14:48:29 +0100 Message-Id: <20201027134902.870595477@linuxfoundation.org> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201027134902.130312227@linuxfoundation.org> References: <20201027134902.130312227@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Dinghao Liu [ Upstream commit 857a3139bd8be4f702c030c8ca06f3fd69c1741a ] When pci_get_device_func() fails, the driver doesn't need to execute pci_dev_put(). mci should still be freed, though, to prevent a memory leak. When pci_enable_device() fails, the error injection PCI device "einj" doesn't need to be disabled either. [ bp: Massage commit message, rename label to "bail_mc_free". ] Fixes: 52608ba205461 ("i5100_edac: probe for device 19 function 0") Signed-off-by: Dinghao Liu Signed-off-by: Borislav Petkov Link: https://lkml.kernel.org/r/20200826121437.31606-1-dinghao.liu@zju.edu.cn Signed-off-by: Sasha Levin --- drivers/edac/i5100_edac.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/edac/i5100_edac.c b/drivers/edac/i5100_edac.c index c655162caf08f..599038edd90d3 100644 --- a/drivers/edac/i5100_edac.c +++ b/drivers/edac/i5100_edac.c @@ -1073,16 +1073,15 @@ static int i5100_init_one(struct pci_dev *pdev, const struct pci_device_id *id) PCI_DEVICE_ID_INTEL_5100_19, 0); if (!einj) { ret = -ENODEV; - goto bail_einj; + goto bail_mc_free; } rc = pci_enable_device(einj); if (rc < 0) { ret = rc; - goto bail_disable_einj; + goto bail_einj; } - mci->pdev = &pdev->dev; priv = mci->pvt_info; @@ -1149,14 +1148,14 @@ static int i5100_init_one(struct pci_dev *pdev, const struct pci_device_id *id) bail_scrub: priv->scrub_enable = 0; cancel_delayed_work_sync(&(priv->i5100_scrubbing)); - edac_mc_free(mci); - -bail_disable_einj: pci_disable_device(einj); bail_einj: pci_dev_put(einj); +bail_mc_free: + edac_mc_free(mci); + bail_disable_ch1: pci_disable_device(ch1mm);