Re: [PATCH 12/15] rfkill: add type string helper

[Ivo van Doorn <ivdoorn@gmail.com>]

On Sunday 18 May 2008, Henrique de Moraes Holschuh wrote:
> We will need access to the rfkill switch type in string format for more
> than just sysfs.  Therefore, move it to a generic helper.
> 
> Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>

Acked-by: Ivo van Doorn <IvDoorn@gmail.com>

> Cc: Ivo van Doorn <IvDoorn@gmail.com>
> ---
>  net/rfkill/rfkill.c |   33 +++++++++++++++------------------
>  1 files changed, 15 insertions(+), 18 deletions(-)
> 
> diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c
> index 251defe..4ed8d19 100644
> --- a/net/rfkill/rfkill.c
> +++ b/net/rfkill/rfkill.c
> @@ -220,34 +220,31 @@ static ssize_t rfkill_name_show(struct device *dev,
>  	return sprintf(buf, "%s\n", rfkill->name);
>  }
>  
> -static ssize_t rfkill_type_show(struct device *dev,
> -				struct device_attribute *attr,
> -				char *buf)
> +static const char const *rfkill_get_type_str(enum rfkill_type type)
>  {
> -	struct rfkill *rfkill = to_rfkill(dev);
> -	const char *type;
> -
> -	switch (rfkill->type) {
> +	switch (type) {
>  	case RFKILL_TYPE_WLAN:
> -		type = "wlan";
> -		break;
> +		return "wlan";
>  	case RFKILL_TYPE_BLUETOOTH:
> -		type = "bluetooth";
> -		break;
> +		return "bluetooth";
>  	case RFKILL_TYPE_UWB:
> -		type = "ultrawideband";
> -		break;
> +		return "ultrawideband";
>  	case RFKILL_TYPE_WIMAX:
> -		type = "wimax";
> -		break;
> +		return "wimax";
>  	case RFKILL_TYPE_WWAN:
> -		type = "wwan";
> -		break;
> +		return "wwan";
>  	default:
>  		BUG();
>  	}
> +}
> +
> +static ssize_t rfkill_type_show(struct device *dev,
> +				struct device_attribute *attr,
> +				char *buf)
> +{
> +	struct rfkill *rfkill = to_rfkill(dev);
>  
> -	return sprintf(buf, "%s\n", type);
> +	return sprintf(buf, "%s\n", rfkill_get_type_str(rfkill->type));
>  }
>  
>  static ssize_t rfkill_state_show(struct device *dev,