From patchwork Mon May 17 14:01:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 440806 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=-19.1 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 43FB9C433B4 for ; Mon, 17 May 2021 15:00:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 286B8601FC for ; Mon, 17 May 2021 15:00:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242386AbhEQPCK (ORCPT ); Mon, 17 May 2021 11:02:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:58762 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242563AbhEQO74 (ORCPT ); Mon, 17 May 2021 10:59:56 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 902AF61002; Mon, 17 May 2021 14:26:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1621261601; bh=DyR27eA7BveT8S5A53uC42YSqXL53DAj2gw+VDf+7jA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=i8Fsh/4A4O8tuQQF/cjWQgk6ib4cbm6ogi+mb8LL7RTjpHWWvqHjamTCGHnf4XbQe I+skf7ca2EWC7rANLM5m/029/ZojE0sKwDBU01Y951wOt+6LOeI+ires/mP/E1Y5zK fm6WUyBec7kE0t9sG48TfKQK4JYMU7t5fZ3X3KMI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jeff Layton , Xiubo Li , Ilya Dryomov , Sasha Levin Subject: [PATCH 5.4 064/141] ceph: fix inode leak on getattr error in __fh_to_dentry Date: Mon, 17 May 2021 16:01:56 +0200 Message-Id: <20210517140244.917434824@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210517140242.729269392@linuxfoundation.org> References: <20210517140242.729269392@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jeff Layton [ Upstream commit 1775c7ddacfcea29051c67409087578f8f4d751b ] Fixes: 878dabb64117 ("ceph: don't return -ESTALE if there's still an open file") Signed-off-by: Jeff Layton Reviewed-by: Xiubo Li Signed-off-by: Ilya Dryomov Signed-off-by: Sasha Levin --- fs/ceph/export.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/ceph/export.c b/fs/ceph/export.c index e088843a7734..baa6368bece5 100644 --- a/fs/ceph/export.c +++ b/fs/ceph/export.c @@ -178,8 +178,10 @@ static struct dentry *__fh_to_dentry(struct super_block *sb, u64 ino) return ERR_CAST(inode); /* We need LINK caps to reliably check i_nlink */ err = ceph_do_getattr(inode, CEPH_CAP_LINK_SHARED, false); - if (err) + if (err) { + iput(inode); return ERR_PTR(err); + } /* -ESTALE if inode as been unlinked and no file is open */ if ((inode->i_nlink == 0) && (atomic_read(&inode->i_count) == 1)) { iput(inode);