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=-20.2 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 D001CC433FE for ; Mon, 20 Sep 2021 17:10:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B7D30617E5 for ; Mon, 20 Sep 2021 17:10:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346137AbhITRL0 (ORCPT ); Mon, 20 Sep 2021 13:11:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:58540 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346852AbhITRJS (ORCPT ); Mon, 20 Sep 2021 13:09:18 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0FBB9617E5; Mon, 20 Sep 2021 16:56:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1632156976; bh=D6Q0CGmtPfbV2L/9Dnn75v8VgKbZgpEEeDgUXPoPixA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZfUp/l5lzFY//1+yUaU+6FhnA1SWqza/wd0zxUqcxIo4AlsejWyqi3xUH4Eyvwvxw 25W4D74K/7momgkb+QhwJUTuR9Z3Izr/SA2A3+Rou6eGL7ZL/HRaW8hGw8IRTjK2Be DSP8Ra4YLA4TaKfGZXXo1VQ1x24M+PEzC8DAWiJE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Christophe JAILLET , Miquel Raynal , Sasha Levin Subject: [PATCH 4.9 171/175] mtd: rawnand: cafe: Fix a resource leak in the error handling path of cafe_nand_probe() Date: Mon, 20 Sep 2021 18:43:40 +0200 Message-Id: <20210920163923.662758170@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210920163918.068823680@linuxfoundation.org> References: <20210920163918.068823680@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 6b430c7595e4eb95fae8fb54adc3c3ce002e75ae ] A successful 'init_rs_non_canonical()' call should be balanced by a corresponding 'free_rs()' call in the error handling path of the probe, as already done in the remove function. Update the error handling path accordingly. Fixes: 8c61b7a7f4d4 ("[MTD] [NAND] Use rslib for CAFÉ ECC") Signed-off-by: Christophe JAILLET Signed-off-by: Miquel Raynal Link: https://lore.kernel.org/linux-mtd/fd313d3fb787458bcc73189e349f481133a2cdc9.1629532640.git.christophe.jaillet@wanadoo.fr Signed-off-by: Sasha Levin --- drivers/mtd/nand/cafe_nand.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c index c16e740c01c3..894d771c87aa 100644 --- a/drivers/mtd/nand/cafe_nand.c +++ b/drivers/mtd/nand/cafe_nand.c @@ -700,7 +700,7 @@ static int cafe_nand_probe(struct pci_dev *pdev, "CAFE NAND", mtd); if (err) { dev_warn(&pdev->dev, "Could not register IRQ %d\n", pdev->irq); - goto out_ior; + goto out_free_rs; } /* Disable master reset, enable NAND clock */ @@ -808,6 +808,8 @@ static int cafe_nand_probe(struct pci_dev *pdev, /* Disable NAND IRQ in global IRQ mask register */ cafe_writel(cafe, ~1 & cafe_readl(cafe, GLOBAL_IRQ_MASK), GLOBAL_IRQ_MASK); free_irq(pdev->irq, mtd); + out_free_rs: + free_rs(cafe->rs); out_ior: pci_iounmap(pdev, cafe->mmio); out_free_mtd: -- 2.30.2