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=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 1F6B2C433EA for ; Thu, 25 Mar 2021 11:34:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EBB7961A24 for ; Thu, 25 Mar 2021 11:34:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231952AbhCYLen (ORCPT ); Thu, 25 Mar 2021 07:34:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:42140 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232026AbhCYLch (ORCPT ); Thu, 25 Mar 2021 07:32:37 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 6D64961A32; Thu, 25 Mar 2021 11:28:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1616671696; bh=P0r+3uN5GBDqBg+P3fl9fPh59W8VXQ7KuvSjr4zbcfo=; h=From:To:Cc:Subject:Date:From; b=aHLeVhNL5aEMwfhGuINCC2CwlYJziW+KobywhP6efI0CWbdF9Vrsp9rgxQYWY1dc8 l4jnnowZEzlcrU4utbgZ+ehkiXqoQbh1m/stdvRtxkYGsOWerD5MGjvaq6N+FrqtnV NtliQ59WyNHDmWEq39v7+PPW6ytS9CvjumC7sPeu+UeBoZeO5wYsqE6KmxSdH5N1ZT 43mgJCl/vILdnEh0OHwhPUwKp87V6g6LioBcO6dbuBF4yZMqXPTXq+eBoukA4F7Oh8 kN92ZzfXwdJlTMa4NP50VQrYxU6hPL79UNXM+Fc7+7lmrrN8pgjafXDlRiQcX6sDee P1OQfAYhKHBTA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Zhaolong Zhang , Theodore Ts'o , Sasha Levin , linux-ext4@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 01/13] ext4: fix bh ref count on error paths Date: Thu, 25 Mar 2021 07:28:01 -0400 Message-Id: <20210325112814.1928637-1-sashal@kernel.org> X-Mailer: git-send-email 2.30.1 MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-ext4@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 ccce89de6d7e..7e41f7ccbfb5 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1979,13 +1979,13 @@ 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; } -- 2.30.1