linux-kernel - Re: [RFC] [PATCH] Adding support for BMP085 pressure sensor.

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Message-Id: <201006141230.56099.oneukum@suse.de>
Date:	Mon, 14 Jun 2010 12:30:56 +0200
From:	Oliver Neukum <oneukum@...e.de>
To:	"Datta, Shubhrajyoti" <shubhrajyoti@...com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>
Subject: Re: [RFC] [PATCH] Adding support for BMP085 pressure sensor.

Am Montag, 14. Juni 2010 12:13:44 schrieb Datta, Shubhrajyoti:

> +/* sysfs callbacks */
> +static ssize_t set_oversampling(struct device *dev,
> +				struct device_attribute *attr,
> +				const char *buf,
> +				size_t count)
> +{
> +	struct i2c_client *client = to_i2c_client(dev);
> +	struct bmp085_data *data = i2c_get_clientdata(client);
> +	data->oversampling_setting = simple_strtoul(buf, NULL, 10);
> +	if (data->oversampling_setting > 3)
> +		data->oversampling_setting = 3;
> +	return count;
> +}

What happens if somebody writes a non-numerical value?

	Regards
		Oliver
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