From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759500AbZLKEgY (ORCPT ); Thu, 10 Dec 2009 23:36:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760836AbZLKEgR (ORCPT ); Thu, 10 Dec 2009 23:36:17 -0500 Received: from kroah.org ([198.145.64.141]:52911 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759460AbZLKEfo (ORCPT ); Thu, 10 Dec 2009 23:35:44 -0500 X-Mailbox-Line: From linux@linux.site Thu Dec 10 20:27:34 2009 Message-Id: <20091211042733.492375175@linux.site> User-Agent: quilt/0.47-14.9 Date: Thu, 10 Dec 2009 20:24:52 -0800 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: stable-review@kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, "Theodore Tso" Subject: [14/90] ext4: Limit number of links that can be created by ext4_link() References: <20091211042438.970725457@linux.site> Content-Disposition: inline; filename=0014-ext4-Limit-number-of-links-that-can-be-created-by-ex.patch In-Reply-To: <20091211043502.GA17916@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2.6.31-stable review patch. If anyone has any objections, please let us know. ------------------ (cherry picked from commit b05ab1dc3795e6f997fb0d34f38fce5012533c3e) In ext4_link we need to check using EXT4_LINK_MAX, and not EXT4_DIR_LINK_MAX(), since ext4_link() is creating hard links of regular files, and not directories. Signed-off-by: "Theodore Ts'o" --- fs/ext4/namei.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -2310,7 +2310,7 @@ static int ext4_link(struct dentry *old_ struct inode *inode = old_dentry->d_inode; int err, retries = 0; - if (EXT4_DIR_LINK_MAX(inode)) + if (inode->i_nlink >= EXT4_LINK_MAX) return -EMLINK; /*