linux-kernel - Re: [EXT4 set 6][PATCH 1/1]Export jbd stats through procfs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 10 Jul 2007 22:21:42 -0400
From:	Mingming Cao <cmm@...ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	"Cédric "Augonnet\"" 
	<cedric.augonnet@...il.com>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-ext4@...r.kernel.org
Subject: Re: [EXT4 set 6][PATCH 1/1]Export jbd stats through procfs

On Tue, 2007-07-10 at 21:42 -0700, Andrew Morton wrote:
> On Tue, 10 Jul 2007 23:21:49 -0400 "Cédric Augonnet" <cedric.augonnet@...il.com> wrote:
> 
> > 2007/7/10, Andrew Morton <akpm@...ux-foundation.org>:
> > 
> > Hi all,
> > 
> > > > +     size = sizeof(struct transaction_stats_s);
> > > > +     s->stats = kmalloc(size, GFP_KERNEL);
> > > > +     if (s == NULL) {
> > > > +             kfree(s);
> > > > +             return -EIO;
> > >
> > > ENOMEM
> > 
> > I'm sorry if i missed some point, but i just don't see the use of such
> > a kfree here, not sure Andrew meant you should only return ENOMEM
> > instead, but why issuing those kfree(NULL), instead of just a if (!s)
> > return ENOMEM ?
> > 
> 
> You found a bug.  It was meant to be
> 
> 	if (s->stats == NULL)
> 
> 

Thanks, I will make sure this get fixed in ext4 patch queue.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/