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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 511D8C67790 for ; Wed, 25 Jul 2018 12:47:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0B5A520882 for ; Wed, 25 Jul 2018 12:47:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0B5A520882 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728998AbeGYN7C convert rfc822-to-8bit (ORCPT ); Wed, 25 Jul 2018 09:59:02 -0400 Received: from mail.bootlin.com ([62.4.15.54]:34034 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728927AbeGYN7C (ORCPT ); Wed, 25 Jul 2018 09:59:02 -0400 Received: by mail.bootlin.com (Postfix, from userid 110) id A5D9C20765; Wed, 25 Jul 2018 14:47:27 +0200 (CEST) Received: from xps13 (AAubervilliers-681-1-78-122.w90-88.abo.wanadoo.fr [90.88.20.122]) by mail.bootlin.com (Postfix) with ESMTPSA id 0DA26206A6; Wed, 25 Jul 2018 14:47:17 +0200 (CEST) Date: Wed, 25 Jul 2018 14:47:17 +0200 From: Miquel Raynal To: Boris Brezillon Cc: Masahiro Yamada , Alexandre Belloni , Mans Rullgard , Maxime Ripard , Stefan Agner , Linux Kernel Mailing List , linux-mtd , Kamal Dasu , Josh Wu , Marc Gonzalez , Marek Vasut , Chen-Yu Tsai , Broadcom Kernel Feedback List , Sylvain Lemieux , Wenyou Yang , Tudor Ambarus , Vladimir Zapolskiy , Harvey Hunt , "moderated list:ARM/Mediatek SoC support" , Matthias Brugger , Han Xu , Xiaolei Li , linux-arm-kernel , Nicolas Ferre , Richard Weinberger , Brian Norris , David Woodhouse Subject: Re: [PATCH v4 04/35] mtd: rawnand: denali: convert to nand_scan() Message-ID: <20180725144717.604d3197@xps13> In-Reply-To: <20180725115116.1fb38fe3@bbrezillon> References: <20180720151527.16038-1-miquel.raynal@bootlin.com> <20180720151527.16038-5-miquel.raynal@bootlin.com> <20180725115116.1fb38fe3@bbrezillon> Organization: Bootlin X-Mailer: Claws Mail 3.15.0-dirty (GTK+ 2.24.31; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Boris, Boris Brezillon wrote on Wed, 25 Jul 2018 11:51:16 +0200: > On Wed, 25 Jul 2018 18:42:44 +0900 > Masahiro Yamada wrote: > > > > > You need to remove kfree(denali->buf) > > from denali_remove(), right? > > Absolutely. > > > > > void denali_remove(struct denali_nand_info *denali) > > { > > struct mtd_info *mtd = nand_to_mtd(&denali->nand); > > > > nand_release(mtd); > > kfree(denali->buf); <---- REMOVE !! > > denali_disable_irq(denali); > > } > > > > > > Otherwise, denali_remove() will free denali->buf twice > > because kfree(denali->buf) is called from denali_detach_chip(). > Absolutely, thanks for reviewing! I'll apply with this changed. Miquèl