All of lore.kernel.org
 help / color / mirror / Atom feed
From: Dave Jones <davej@redhat.com>
To: Pekka Enberg <penberg@kernel.org>
Cc: dave@gnu.org, cpufreq@vger.kernel.org,
	LKML <linux-kernel@vger.kernel.org>,
	x86 maintainers <x86@kernel.org>
Subject: Re: [RESEND PATCH] cpufreq: unnecesary double free in pcc_cpufreq_do_osc
Date: Fri, 1 Oct 2010 01:25:41 -0400	[thread overview]
Message-ID: <20101001052540.GA31519@redhat.com> (raw)
In-Reply-To: <4CA567DB.4000208@kernel.org>

On Fri, Oct 01, 2010 at 07:47:23AM +0300, Pekka Enberg wrote:

 > > I think Dave's patch is correct.  There's a kfree(output.pointer) at line 359.
 > > If we fall all the way through without hitting any of the return -ENODEVs,
 > > we end up doing a 2nd kfree in the out_free:
 > 
 > There's a second call to acpi_evaluate_object() which takes "output" as 
 > its argument and allocates more memory.

yup. I merged your patch. after it's soaked in -next for a day, I'll push it to
Linus.  (Looks obviously correct, but just being extra careful given where
we are in the release cycle)

	Dave


  reply	other threads:[~2010-10-01  5:25 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-30 19:43 [RESEND PATCH] cpufreq: unnecesary double free in pcc_cpufreq_do_osc Davidlohr Bueso
2010-09-30 19:43 ` Davidlohr Bueso
2010-09-30 19:59 ` Pekka Enberg
2010-09-30 20:06   ` Dave Jones
2010-10-01  4:47     ` Pekka Enberg
2010-10-01  5:25       ` Dave Jones [this message]
2010-09-30 20:06   ` David Rientjes
2010-09-30 20:02 ` David Rientjes
2010-09-30 20:08   ` Dave Jones
2010-09-30 20:17     ` Davidlohr Bueso
2010-09-30 20:15   ` Davidlohr Bueso

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=20101001052540.GA31519@redhat.com \
    --to=davej@redhat.com \
    --cc=cpufreq@vger.kernel.org \
    --cc=dave@gnu.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=penberg@kernel.org \
    --cc=x86@kernel.org \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.