linux-kernel - Re: [PATCH 1/2] hwmon: Directly use ida

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Date:   Tue, 17 May 2022 05:48:08 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     keliu <liuke94@...wei.com>
Cc:     jdelvare@...e.com, linux-hwmon@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] hwmon: Directly use ida_alloc()/free()

On Tue, May 17, 2022 at 06:31:25AM +0000, keliu wrote:
> Use ida_alloc()/ida_free() instead of deprecated
> ida_simple_get()/ida_simple_remove() .
> 
> Signed-off-by: keliu <liuke94@...wei.com>

Applied.

Thanks,
Guenter

> ---
>  drivers/hwmon/hwmon.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c
> index 22de7a9e7ba7..2e2cd79d89eb 100644
> --- a/drivers/hwmon/hwmon.c
> +++ b/drivers/hwmon/hwmon.c
> @@ -764,7 +764,7 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata,
>  			 "hwmon: '%s' is not a valid name attribute, please fix\n",
>  			 name);
>  
> -	id = ida_simple_get(&hwmon_ida, 0, 0, GFP_KERNEL);
> +	id = ida_alloc(&hwmon_ida, GFP_KERNEL);
>  	if (id < 0)
>  		return ERR_PTR(id);
>  
> @@ -856,7 +856,7 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata,
>  free_hwmon:
>  	hwmon_dev_release(hdev);
>  ida_remove:
> -	ida_simple_remove(&hwmon_ida, id);
> +	ida_free(&hwmon_ida, id);
>  	return ERR_PTR(err);
>  }
>  
> @@ -968,7 +968,7 @@ void hwmon_device_unregister(struct device *dev)
>  
>  	if (likely(sscanf(dev_name(dev), HWMON_ID_FORMAT, &id) == 1)) {
>  		device_unregister(dev);
> -		ida_simple_remove(&hwmon_ida, id);
> +		ida_free(&hwmon_ida, id);
>  	} else
>  		dev_dbg(dev->parent,
>  			"hwmon_device_unregister() failed: bad class ID!\n");