Re: [PATCH 2/4] iio: magnetometer: rm3100: Use scoped_guard() in rm3100_get_samp_freq()

[Andy Shevchenko]

On Mon, Apr 27, 2026 at 09:43:37PM -0500, Maxwell Doose wrote:
> Replace mutex_lock() and mutex_unlock() calls in rm3100_get_samp_freq()
> with the more modern scoped_guard(). This will help modernize the
> driver and bring it up-to-date with modern available macros/functions.

...

> -	mutex_lock(&data->lock);
> -	ret = regmap_read(data->regmap, RM3100_REG_TMRC, &tmp);
> -	mutex_unlock(&data->lock);
> +	scoped_guard(mutex, &data->lock) {
> +		ret = regmap_read(data->regmap, RM3100_REG_TMRC, &tmp);
> +	}

{} are mot used for the single statement, but...

>  	if (ret < 0)
>  		return ret;

...move this inside the body instead.

-- 
With Best Regards,
Andy Shevchenko