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Date:	Wed, 29 Feb 2012 10:02:15 +0100
From:	Vincenzo Frascino <vincenzo.frascino@...com>
To:	Dan Carpenter <dan.carpenter@...cle.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Viresh KUMAR <viresh.kumar@...com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>
Subject: Re: [patch] thermal: spear13xx: checking for NULL instead of IS_ERR()

Thanks Dan.

Il 29/02/2012 07:31, Dan Carpenter ha scritto:
> thermal_zone_device_register() never returns NULL, on error it returns
> and ERR_PTR().
>
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
>
> diff --git a/drivers/thermal/spear_thermal.c b/drivers/thermal/spear_thermal.c
> index 880bf28..7352cf8 100644
> --- a/drivers/thermal/spear_thermal.c
> +++ b/drivers/thermal/spear_thermal.c
> @@ -149,9 +149,9 @@ static int spear_thermal_probe(struct platform_device *pdev)
>  
>  	spear_thermal = thermal_zone_device_register("spear_thermal", 0,
>  				stdev, &ops, 0, 0, 0, 0);
> -	if (!spear_thermal) {
> +	if (IS_ERR(spear_thermal)) {
>  		dev_err(&pdev->dev, "thermal zone device is NULL\n");
> -		ret = -EINVAL;
> +		ret = PTR_ERR(spear_thermal);
>  		goto disable_clk;
>  	}
>  

Reviewed-by: Vincenzo Frascino <vincenzo.frascino@...com>


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