From patchwork Thu Apr 16 13:23:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 227748 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, 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 1EFEFC2BB55 for ; Thu, 16 Apr 2020 14:46:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DDE47206B9 for ; Thu, 16 Apr 2020 14:46:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587048416; bh=1W5KIwf4IEZ/S6UWBR0GAJ66klrhUvvnU62RubpXa4Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=glgLuAYtow5EtzyK8EE76Sx0KCIK4MH8kWXFTFx5nursXNsn3kM3rAEmM3EMP2yXp 91LgP+5k6O6gljMlGlGm6Usyd64uq9RncEBFJf+AnlQS0sVBoO2sEOQUnwFqB38aYf TkB5FPVnmLOiAHaDxzWyEtxhNV9KpbMw16rswMtE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731286AbgDPOqy (ORCPT ); Thu, 16 Apr 2020 10:46:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:46392 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2897854AbgDPN7W (ORCPT ); Thu, 16 Apr 2020 09:59:22 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 5642621734; Thu, 16 Apr 2020 13:59:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587045561; bh=1W5KIwf4IEZ/S6UWBR0GAJ66klrhUvvnU62RubpXa4Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2KnH47CbnC7z8Q5DZwMJcB0/7H4oWk+UKqBUezih6l6jdNkj9wlPAm1pg3seuUt4r 9E+Z/r+zp4GnulGV6ZGfKIOfSqgfMaID2VPunQ4biYtiEcxn+JavKtsKU5Qq26V2n+ NM/n9r8DpP0Vw9UmCDQmqcyf7E9SHPjcbqr8LR64= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Piotr Sroka , Miquel Raynal Subject: [PATCH 5.6 144/254] mtd: rawnand: cadence: fix the calculation of the avaialble OOB size Date: Thu, 16 Apr 2020 15:23:53 +0200 Message-Id: <20200416131344.526712698@linuxfoundation.org> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200416131325.804095985@linuxfoundation.org> References: <20200416131325.804095985@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Piotr Sroka commit e4578af0354176ff6b4ae78b9998b4f479f7c31c upstream. The value of cdns_chip->sector_count is not known at the moment of the derivation of ecc_size, leading to a zero value. Fix this by assigning ecc_size later in the code. Fixes: ec4ba01e894d ("mtd: rawnand: Add new Cadence NAND driver to MTD subsystem") Cc: stable@vger.kernel.org Signed-off-by: Piotr Sroka Signed-off-by: Miquel Raynal Link: https://lore.kernel.org/linux-mtd/1581328530-29966-2-git-send-email-piotrs@cadence.com Signed-off-by: Greg Kroah-Hartman --- drivers/mtd/nand/raw/cadence-nand-controller.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/mtd/nand/raw/cadence-nand-controller.c +++ b/drivers/mtd/nand/raw/cadence-nand-controller.c @@ -2585,7 +2585,7 @@ int cadence_nand_attach_chip(struct nand { struct cdns_nand_ctrl *cdns_ctrl = to_cdns_nand_ctrl(chip->controller); struct cdns_nand_chip *cdns_chip = to_cdns_nand_chip(chip); - u32 ecc_size = cdns_chip->sector_count * chip->ecc.bytes; + u32 ecc_size; struct mtd_info *mtd = nand_to_mtd(chip); u32 max_oob_data_size; int ret; @@ -2625,6 +2625,7 @@ int cadence_nand_attach_chip(struct nand /* Error correction configuration. */ cdns_chip->sector_size = chip->ecc.size; cdns_chip->sector_count = mtd->writesize / cdns_chip->sector_size; + ecc_size = cdns_chip->sector_count * chip->ecc.bytes; cdns_chip->avail_oob_size = mtd->oobsize - ecc_size;