From patchwork Mon Apr 5 08:53:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 415795 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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, 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 0028FC433ED for ; Mon, 5 Apr 2021 09:01:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CF863613AA for ; Mon, 5 Apr 2021 09:01:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237247AbhDEJB3 (ORCPT ); Mon, 5 Apr 2021 05:01:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:43112 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237271AbhDEJBA (ORCPT ); Mon, 5 Apr 2021 05:01:00 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0628361394; Mon, 5 Apr 2021 09:00:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1617613254; bh=AHro/VPxImJ4sVTOIy7ZhzB8W9koRddp7QCdU74msOQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Z/EkF190Nifmy0HHe7NeOQE4Yi6qkCLjxQ/W7uQmlrksLs5+RCULxrv9M7Rkqd8kR 3ok0dxIEaoTuwwU3U+bWUrDjDhY3ehW6bljKFoNF6/H8V8AVWUl8hLCiqyIGrQ2tlW muPv8SK35HoaxOXYXVbjCOYsymoFo7E5ZAgMpdac= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Zhaolong Zhang , Theodore Tso , Sasha Levin Subject: [PATCH 4.19 04/56] ext4: fix bh ref count on error paths Date: Mon, 5 Apr 2021 10:53:35 +0200 Message-Id: <20210405085022.699165432@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210405085022.562176619@linuxfoundation.org> References: <20210405085022.562176619@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Zhaolong Zhang [ Upstream commit c915fb80eaa6194fa9bd0a4487705cd5b0dda2f1 ] __ext4_journalled_writepage should drop bhs' ref count on error paths Signed-off-by: Zhaolong Zhang Link: https://lore.kernel.org/r/1614678151-70481-1-git-send-email-zhangzl2013@126.com Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/inode.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 1c6fd526ea97..7959aae4857e 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -2072,13 +2072,13 @@ static int __ext4_journalled_writepage(struct page *page, if (!ret) ret = err; - if (!ext4_has_inline_data(inode)) - ext4_walk_page_buffers(NULL, page_bufs, 0, len, - NULL, bput_one); ext4_set_inode_state(inode, EXT4_STATE_JDATA); out: unlock_page(page); out_no_pagelock: + if (!inline_data && page_bufs) + ext4_walk_page_buffers(NULL, page_bufs, 0, len, + NULL, bput_one); brelse(inode_bh); return ret; }