linux-kernel - Re: [PATCH v4 2/2] hwmon: intel-m10-bmc-hwmon: use devm_hwmon_sanitize

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Date:   Tue, 5 Apr 2022 05:09:03 -0700
From:   Tom Rix <trix@...hat.com>
To:     Michael Walle <michael@...le.cc>, Xu Yilun <yilun.xu@...el.com>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, David Laight <David.Laight@...LAB.COM>
Subject: Re: [PATCH v4 2/2] hwmon: intel-m10-bmc-hwmon: use
 devm_hwmon_sanitize_name()


On 4/5/22 2:24 AM, Michael Walle wrote:
> Instead of open-coding the bad characters replacement in the hwmon name,
> use the new devm_hwmon_sanitize_name().
>
> Signed-off-by: Michael Walle <michael@...le.cc>
> Acked-by: Xu Yilun <yilun.xu@...el.com>
> ---
>   drivers/hwmon/intel-m10-bmc-hwmon.c | 11 +++--------
>   1 file changed, 3 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/hwmon/intel-m10-bmc-hwmon.c b/drivers/hwmon/intel-m10-bmc-hwmon.c
> index 7a08e4c44a4b..6e82f7200d1c 100644
> --- a/drivers/hwmon/intel-m10-bmc-hwmon.c
> +++ b/drivers/hwmon/intel-m10-bmc-hwmon.c
> @@ -515,7 +515,6 @@ static int m10bmc_hwmon_probe(struct platform_device *pdev)
>   	struct intel_m10bmc *m10bmc = dev_get_drvdata(pdev->dev.parent);
>   	struct device *hwmon_dev, *dev = &pdev->dev;
>   	struct m10bmc_hwmon *hw;
> -	int i;
>   
>   	hw = devm_kzalloc(dev, sizeof(*hw), GFP_KERNEL);
>   	if (!hw)
> @@ -528,13 +527,9 @@ static int m10bmc_hwmon_probe(struct platform_device *pdev)
>   	hw->chip.info = hw->bdata->hinfo;
>   	hw->chip.ops = &m10bmc_hwmon_ops;
>   
> -	hw->hw_name = devm_kstrdup(dev, id->name, GFP_KERNEL);
> -	if (!hw->hw_name)
> -		return -ENOMEM;
> -
> -	for (i = 0; hw->hw_name[i]; i++)
> -		if (hwmon_is_bad_char(hw->hw_name[i]))
> -			hw->hw_name[i] = '_';
> +	hw->hw_name = devm_hwmon_sanitize_name(dev, id->name);
> +	if (IS_ERR(hw->hw_name))
> +		return PTR_ERR(hw->hw_name);
Reviewed-by: Tom Rix <trix@...hat.com>
>   
>   	hwmon_dev = devm_hwmon_device_register_with_info(dev, hw->hw_name,
>   							 hw, &hw->chip, NULL);