From mboxrd@z Thu Jan 1 00:00:00 1970 From: Theodore Ts'o Subject: Re: [Bug 27912] Set 'err' in ext4_init_fs() if kset_create_and_add() fails Date: Tue, 14 Aug 2012 23:03:34 -0400 Message-ID: <20120815030334.GC31873@thunk.org> References: <20120814155552.9E6C111FC70@bugzilla.kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-ext4@vger.kernel.org To: bugzilla-daemon@bugzilla.kernel.org Return-path: Received: from li9-11.members.linode.com ([67.18.176.11]:44752 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751800Ab2HODDh (ORCPT ); Tue, 14 Aug 2012 23:03:37 -0400 Content-Disposition: inline In-Reply-To: <20120814155552.9E6C111FC70@bugzilla.kernel.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Tue, Aug 14, 2012 at 03:55:52PM +0000, bugzilla-daemon@bugzilla.kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=27912 Actually, this wasn't quite fixed. Here's a fix which I'll include in the ext4 tree.... - Ted >>From b0f1e9fa10363b60334ba7837080da91de425be0 Mon Sep 17 00:00:00 2001 From: Theodore Ts'o Date: Tue, 14 Aug 2012 23:02:17 -0400 Subject: [PATCH] ext4: return an error if kset_create_and_add fails in ext4_init_fs() In the very unlikely case that kset_create_and_add() fails when the ext4.ko module is being loaded (or during kernel startup) set err so that it's clear that the module load failed. https://bugzilla.kernel.org/show_bug.cgi?id=27912 Signed-off-by: "Theodore Ts'o" --- fs/ext4/super.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index e7ccbe5..603023b 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -5281,8 +5281,10 @@ static int __init ext4_init_fs(void) if (err) goto out6; ext4_kset = kset_create_and_add("ext4", NULL, fs_kobj); - if (!ext4_kset) + if (!ext4_kset) { + err = -ENOMEM; goto out5; + } ext4_proc_root = proc_mkdir("fs/ext4", NULL); err = ext4_init_feat_adverts(); -- 1.7.12.rc0.22.gcdd159b