Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754000AbdGMPpt (ORCPT ); Thu, 13 Jul 2017 11:45:49 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:39832 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752350AbdGMPpp (ORCPT ); Thu, 13 Jul 2017 11:45:45 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jason Yan , Shaohua Li Subject: [PATCH 4.4 51/57] md: fix super_offset endianness in super_1_rdev_size_change Date: Thu, 13 Jul 2017 17:43:06 +0200 Message-Id: <20170713154001.079603906@linuxfoundation.org> X-Mailer: git-send-email 2.13.2 In-Reply-To: <20170713153957.515045341@linuxfoundation.org> References: <20170713153957.515045341@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 957 Lines: 31 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jason Yan commit 3fb632e40d7667d8bedfabc28850ac06d5493f54 upstream. The sb->super_offset should be big-endian, but the rdev->sb_start is in host byte order, so fix this by adding cpu_to_le64. Signed-off-by: Jason Yan Signed-off-by: Shaohua Li Signed-off-by: Greg Kroah-Hartman --- drivers/md/md.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1866,7 +1866,7 @@ super_1_rdev_size_change(struct md_rdev } sb = page_address(rdev->sb_page); sb->data_size = cpu_to_le64(num_sectors); - sb->super_offset = rdev->sb_start; + sb->super_offset = cpu_to_le64(rdev->sb_start); sb->sb_csum = calc_sb_1_csum(sb); md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size, rdev->sb_page);