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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,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 AD119C4338F for ; Tue, 17 Aug 2021 11:38:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8B3E261029 for ; Tue, 17 Aug 2021 11:38:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239723AbhHQLjC (ORCPT ); Tue, 17 Aug 2021 07:39:02 -0400 Received: from szxga08-in.huawei.com ([45.249.212.255]:14223 "EHLO szxga08-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231515AbhHQLjC (ORCPT ); Tue, 17 Aug 2021 07:39:02 -0400 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.53]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4Gppth5Sfgz1CXnp; Tue, 17 Aug 2021 19:38:04 +0800 (CST) Received: from dggema761-chm.china.huawei.com (10.1.198.203) by dggemv703-chm.china.huawei.com (10.3.19.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Tue, 17 Aug 2021 19:38:27 +0800 Received: from huawei.com (10.175.127.227) by dggema761-chm.china.huawei.com (10.1.198.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Tue, 17 Aug 2021 19:38:26 +0800 From: Zhihao Cheng To: , , , CC: , , , Subject: [PATCH v2 0/2] mtd: mtdconcat: Fix callback functions check Date: Tue, 17 Aug 2021 19:48:55 +0800 Message-ID: <20210817114857.2784825-1-chengzhihao1@huawei.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.127.227] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggema761-chm.china.huawei.com (10.1.198.203) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Patch 1: Check subdev's master mtd device's callback function while making concatenated device. Patch 2: Check existence of _read|_write callback before assigning them to concatenated device. v1->v2: Shorten two commit titles. Patch 1: Add comment to explain why datamember checks for subdev but callbacks checks for master device Patch 1: Fix misspelled word, "comnoine fail" -> "combine failed" Patch 2: Fix wrong commit message, "Since ... time. We should" Patch 2: Check against the existence of _read|_read_oob callbacks by master, no removing concat_{read|write}_oob. Zhihao Cheng (2): mtd: mtdconcat: Judge callback existence based on the master mtd: mtdconcat: Check _read,_write callbacks existence before assignment drivers/mtd/mtdconcat.c | 33 +++++++++++++++++++++++---------- 1 file changed, 23 insertions(+), 10 deletions(-) -- 2.31.1