linux-kernel - Re: ADT746X: logical-bitwise & confusion in set_max_duty_at

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Message-ID: <20080310084633.5246ecfe@paperstreet.colino.net>
Date:	Mon, 10 Mar 2008 08:46:33 +0100
From:	Colin Leroy <colin@...ino.net>
To:	Roel Kluin <12o3l@...cali.nl>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: Re: ADT746X: logical-bitwise & confusion in set_max_duty_at_crit()

On Mon, 10 Mar 2008 01:04:33 +0100, Roel Kluin wrote:

Hi,

> logical-bitwise & confusion

Looks good to me, but I'm not really maintaining that anymore :-)
I'm not sure who does, Cc:ing Benjamin as he'll probably know.

> Signed-off-by: Roel Kluin <12o3l@...cali.nl>
> ---
> diff --git a/drivers/hwmon/adt7473.c b/drivers/hwmon/adt7473.c
> index 9587869..8ea7da2 100644
> --- a/drivers/hwmon/adt7473.c
> +++ b/drivers/hwmon/adt7473.c
> @@ -570,7 +570,7 @@ static ssize_t set_max_duty_at_crit(struct device
> *dev, struct i2c_client *client = to_i2c_client(dev);
>  	struct adt7473_data *data = i2c_get_clientdata(client);
>  	int temp = simple_strtol(buf, NULL, 10);
> -	temp = temp && 0xFF;
> +	temp &= 0xFF;
>  
>  	mutex_lock(&data->lock);
>  	data->max_duty_at_overheat = temp;
> 

-- 
Colin
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