public inbox for linux-pm@vger.kernel.org
 help / color / mirror / Atom feed
From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: "Gross, Mark" <mark.gross@intel.com>
Cc: "linux-pm@lists.linux-foundation.org"
	<linux-pm@lists.linux-foundation.org>,
	"James.Bottomley@suse.de" <James.Bottomley@suse.de>,
	"Dr. David Alan Gilbert" <linux@treblig.org>
Subject: Re: [PATCH] kzalloc params swapped in pm_qos_power_open
Date: Tue, 24 Aug 2010 22:19:50 +0200	[thread overview]
Message-ID: <201008242219.50803.rjw@sisk.pl> (raw)
In-Reply-To: <CA1BBBBC9359F04AA639128AC0D5D1E9B44FEF51@orsmsx502.amr.corp.intel.com>

On Monday, August 23, 2010, Gross, Mark wrote:
> Your right. :(
> 
> Its working by luck, GFP_KERNEL (= 0x10|0x40|0x80 = 0xD0 = 208 ) is not too big and not too small.
> 
> acked-by: mark gross <markgross@thegnar.org>

Applied to suspend-2.6/pm-fixes, I'll ask Linus to pull it after a day or two
in linux-next.

Thanks,
Rafael


> >-----Original Message-----
> >From: Dr. David Alan Gilbert [mailto:linux@treblig.org]
> >Sent: Sunday, August 22, 2010 7:36 AM
> >To: linux-pm@lists.linux-foundation.org
> >Cc: James.Bottomley@suse.de; Gross, Mark
> >Subject: [PATCH] kzalloc params swapped in pm_qos_power_open
> >
> >Hi,
> >  I was playing with sparse and it looks like it spotted that
> >the kzalloc in pm_qos_power_open in the current Linus's git tree
> >seems to have its parameters swapped. I've got a patch below,
> >I've only build tested it.
> >
> >Signed-off-by: David Alan Gilbert <linux@treblig.org>
> >---
> >**BUILD TESTED ONLY** (against current git)
> >
> >diff --git a/kernel/pm_qos_params.c b/kernel/pm_qos_params.c
> >index 996a4de..71dcc21 100644
> >--- a/kernel/pm_qos_params.c
> >+++ b/kernel/pm_qos_params.c
> >@@ -348,7 +348,7 @@ static int pm_qos_power_open(struct inode *inode,
> >struct file *filp)
> >
> >        pm_qos_class = find_pm_qos_object_by_minor(iminor(inode));
> >        if (pm_qos_class >= 0) {
> >-               struct pm_qos_request_list *req = kzalloc(GFP_KERNEL,
> >sizeof(*req));
> >+               struct pm_qos_request_list *req = kzalloc(sizeof(*req),
> >GFP_KERNEL);
> >                if (!req)
> >                        return -ENOMEM;
> >
> >
> >--
> > -----Open up your eyes, open up your mind, open up your code -------
> >/ Dr. David Alan Gilbert    |       Running GNU/Linux       | Happy  \
> >\ gro.gilbert @ treblig.org |                               | In Hex /
> > \ _________________________|_____ http://www.treblig.org   |_______/
> 
> 

      reply	other threads:[~2010-08-24 20:19 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-22 14:35 [PATCH] kzalloc params swapped in pm_qos_power_open Dr. David Alan Gilbert
2010-08-22 23:34 ` Gross, Mark
2010-08-24 20:19   ` Rafael J. Wysocki [this message]

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=201008242219.50803.rjw@sisk.pl \
    --to=rjw@sisk.pl \
    --cc=James.Bottomley@suse.de \
    --cc=linux-pm@lists.linux-foundation.org \
    --cc=linux@treblig.org \
    --cc=mark.gross@intel.com \
    /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