From patchwork Thu Apr 14 13:13:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 561813 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E67EAC433FE for ; Thu, 14 Apr 2022 13:34:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232877AbiDNNgx (ORCPT ); Thu, 14 Apr 2022 09:36:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57852 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344168AbiDNNa5 (ORCPT ); Thu, 14 Apr 2022 09:30:57 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 66F821B6; Thu, 14 Apr 2022 06:28:32 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 24E68B8296A; Thu, 14 Apr 2022 13:28:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5ABEDC385A1; Thu, 14 Apr 2022 13:28:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649942909; bh=oDeTHARGZEfrXPcCeIWg2xEfZgIW08C61yBMEcE/0AY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Z/v1ChFoh4DktcYzwcG8jNfvDHyxnxS56vHFMMx/7+vLWqytJp14spdDod/jeTXv3 ggToop2utC/TpUJ6OiG1T8D8LCydiDOFi+DrWt/4usQVhCd53zkZSqgTagFOHTAHni BYq/kyeJd4kmw6tSkRh7Ib8HBC9uFKxSY5WSM1us= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Geert Uytterhoeven , Christophe JAILLET , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 4.19 305/338] scsi: zorro7xx: Fix a resource leak in zorro7xx_remove_one() Date: Thu, 14 Apr 2022 15:13:28 +0200 Message-Id: <20220414110847.564926056@linuxfoundation.org> X-Mailer: git-send-email 2.35.2 In-Reply-To: <20220414110838.883074566@linuxfoundation.org> References: <20220414110838.883074566@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Christophe JAILLET [ Upstream commit 16ed828b872d12ccba8f07bcc446ae89ba662f9c ] The error handling path of the probe releases a resource that is not freed in the remove function. In some cases, a ioremap() must be undone. Add the missing iounmap() call in the remove function. Link: https://lore.kernel.org/r/247066a3104d25f9a05de8b3270fc3c848763bcc.1647673264.git.christophe.jaillet@wanadoo.fr Fixes: 45804fbb00ee ("[SCSI] 53c700: Amiga Zorro NCR53c710 SCSI") Reviewed-by: Geert Uytterhoeven Signed-off-by: Christophe JAILLET Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/zorro7xx.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/zorro7xx.c b/drivers/scsi/zorro7xx.c index aff31991aea9..ee6d97473853 100644 --- a/drivers/scsi/zorro7xx.c +++ b/drivers/scsi/zorro7xx.c @@ -158,6 +158,8 @@ static void zorro7xx_remove_one(struct zorro_dev *z) scsi_remove_host(host); NCR_700_release(host); + if (host->base > 0x01000000) + iounmap(hostdata->base); kfree(hostdata); free_irq(host->irq, host); zorro_release_device(z);