From: Luke-Jr <luke@dashjr.org>
To: "Pekka Enberg" <penberg@cs.helsinki.fi>
Cc: "Dave Jones" <davej@redhat.com>,
"Al Viro" <viro@ftp.linux.org.uk>,
"David S. Miller" <davem@davemloft.net>,
linux-kernel@vger.kernel.org, ericvh@gmail.com,
rminnich@lanl.gov
Subject: Re: 9pfs double kfree
Date: Thu, 9 Mar 2006 14:48:11 +0000 [thread overview]
Message-ID: <200603091448.18585.luke@dashjr.org> (raw)
In-Reply-To: <84144f020603052356r321bc78dp66263fbfc73517c6@mail.gmail.com>
On Monday 06 March 2006 07:56, Pekka Enberg wrote:
> On 3/6/06, Dave Jones <davej@redhat.com> wrote:
> > I wonder if we could get away with something as simple as..
> >
> > #define kfree(foo) \
> > __kfree(foo); \
> > foo = KFREE_POISON;
> >
> > ?
>
> It's legal to call kfree() twice for NULL pointer. The above poisons
> foo unconditionally which makes that case break I think.
#define kfree(foo) foo = __kfree(foo);
Assuming the current kfree doesn't return something...
next prev parent reply other threads:[~2006-03-09 14:42 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-06 7:04 9pfs double kfree Dave Jones
2006-03-06 7:07 ` David S. Miller
2006-03-06 7:23 ` Al Viro
2006-03-06 7:28 ` Dave Jones
2006-03-06 7:56 ` Pekka Enberg
2006-03-06 8:00 ` Dave Jones
2006-03-06 8:16 ` Al Viro
2006-03-06 8:23 ` Pekka Enberg
2006-03-06 8:27 ` Arjan van de Ven
2006-03-06 8:40 ` Kai Makisara
2006-03-06 9:34 ` Al Viro
2006-03-06 22:07 ` Pavel Machek
2006-03-09 14:48 ` Luke-Jr [this message]
2006-03-06 7:26 ` Balbir Singh
2006-03-06 7:31 ` Dave Jones
2006-03-06 7:39 ` Balbir Singh
2006-03-07 0:37 ` Andrew Morton
2006-03-07 1:04 ` Eric Van Hensbergen
2006-03-07 2:20 ` Latchesar Ionkov
2006-03-07 1:49 ` Latchesar Ionkov
2006-03-07 12:43 ` [PATCH] v9fs: fix for access to unitialized variables or freed memory Latchesar Ionkov
2006-03-07 23:04 ` Andrew Morton
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200603091448.18585.luke@dashjr.org \
--to=luke@dashjr.org \
--cc=davej@redhat.com \
--cc=davem@davemloft.net \
--cc=ericvh@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=penberg@cs.helsinki.fi \
--cc=rminnich@lanl.gov \
--cc=viro@ftp.linux.org.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox