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=-17.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 6C28EC07E96 for ; Thu, 8 Jul 2021 13:14:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4EAF561481 for ; Thu, 8 Jul 2021 13:14:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231860AbhGHNQt (ORCPT ); Thu, 8 Jul 2021 09:16:49 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:10434 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231414AbhGHNQr (ORCPT ); Thu, 8 Jul 2021 09:16:47 -0400 Received: from dggeme703-chm.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4GLGr86xySzcb9Z; Thu, 8 Jul 2021 21:10:48 +0800 (CST) Received: from huawei.com (10.175.124.27) by dggeme703-chm.china.huawei.com (10.1.199.99) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Thu, 8 Jul 2021 21:14:01 +0800 From: Miaohe Lin To: , , CC: , , , , , , Subject: [PATCH] mtd: fix size in mtd_info_user to support 64-bit Date: Thu, 8 Jul 2021 21:13:59 +0800 Message-ID: <20210708131359.21591-1-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggeme703-chm.china.huawei.com (10.1.199.99) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Feilong Lin The size in struct mtd_info_user is 32-bit, which will cause errors when obtaining the size of large-capacity MTD devices, such as TLC NAND FLASH-2048Gb. Fixes: 69423d99fc18 ("[MTD] update internal API to support 64-bit device size") Signed-off-by: Feilong Lin --- include/uapi/mtd/mtd-abi.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/uapi/mtd/mtd-abi.h b/include/uapi/mtd/mtd-abi.h index b869990c2db2..efe0b53b10c1 100644 --- a/include/uapi/mtd/mtd-abi.h +++ b/include/uapi/mtd/mtd-abi.h @@ -128,7 +128,7 @@ struct mtd_write_req { struct mtd_info_user { __u8 type; __u32 flags; - __u32 size; /* Total size of the MTD */ + __u64 size; /* Total size of the MTD */ __u32 erasesize; __u32 writesize; __u32 oobsize; /* Amount of OOB data per block (e.g. 16) */ -- 2.23.0