linux-kernel - Re: [patch] PM / devfreq: create_freezable_workqueue() doesn't return an ERR

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Message-ID: <CAJ0PZbTNGDW2buntJUD2Sk4Yd_gB_YQceCvRjWOAEvbMaatrrw@mail.gmail.com>
Date:	Mon, 19 Aug 2013 13:49:21 +0900
From:	MyungJoo Ham <myungjoo.ham@...sung.com>
To:	Dan Carpenter <dan.carpenter@...cle.com>
Cc:	Kyungmin Park <kyungmin.park@...sung.com>,
	Linux PM list <linux-pm@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org
Subject: Re: [patch] PM / devfreq: create_freezable_workqueue() doesn't return
 an ERR_PTR

On Thu, Aug 15, 2013 at 4:55 PM, Dan Carpenter <dan.carpenter@...cle.com> wrote:
>
> The create_freezable_workqueue() function returns a NULL on error and
> not an ERR_PTR.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

Thanks. I'll apply this.

Signed-off-by: MyungJoo Ham <myungjoo.ham@...sung.com>

>
> diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
> index e94e619..5088523 100644
> --- a/drivers/devfreq/devfreq.c
> +++ b/drivers/devfreq/devfreq.c
> @@ -983,10 +983,10 @@ static int __init devfreq_init(void)
>         }
>
>         devfreq_wq = create_freezable_workqueue("devfreq_wq");
> -       if (IS_ERR(devfreq_wq)) {
> +       if (!devfreq_wq) {
>                 class_destroy(devfreq_class);
>                 pr_err("%s: couldn't create workqueue\n", __FILE__);
> -               return PTR_ERR(devfreq_wq);
> +               return -ENOMEM;
>         }
>         devfreq_class->dev_attrs = devfreq_attrs;
>
> --
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--
MyungJoo Ham, Ph.D.
System S/W Lab, S/W Center, Samsung Electronics
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