On Thursday 26 August 2010 08:15:25 Dmitry Torokhov wrote:
> Instead of adding modalias attribute manually set it up as class's
> device attribute so driver core will create and remove it for us.
> 
> Signed-off-by: Dmitry Torokhov <[email protected]>

Acked-by: Carlos Corbacho <[email protected]>

> ---
> 
>  drivers/platform/x86/wmi.c |   15 +++++++--------
>  1 files changed, 7 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
> index b4e5bea..781321b 100644
> --- a/drivers/platform/x86/wmi.c
> +++ b/drivers/platform/x86/wmi.c
> @@ -661,7 +661,7 @@ EXPORT_SYMBOL_GPL(wmi_has_guid);
>  /*
>   * sysfs interface
>   */
> -static ssize_t show_modalias(struct device *dev, struct device_attribute
> *attr, +static ssize_t modalias_show(struct device *dev, struct
> device_attribute *attr, char *buf)
>  {
>       char guid_string[37];
> @@ -675,7 +675,11 @@ static ssize_t show_modalias(struct device *dev,
> struct device_attribute *attr,
> 
>       return sprintf(buf, "wmi:%s\n", guid_string);
>  }
> -static DEVICE_ATTR(modalias, S_IRUGO, show_modalias, NULL);
> +
> +static struct device_attribute wmi_dev_attrs[] = {
> +     __ATTR_RO(modalias),
> +     __ATTR_NULL
> +};
> 
>  static int wmi_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
>  {
> @@ -708,6 +712,7 @@ static struct class wmi_class = {
>       .name = "wmi",
>       .dev_release = wmi_dev_free,
>       .dev_uevent = wmi_dev_uevent,
> +     .dev_attrs = wmi_dev_attrs,
>  };
> 
>  static int wmi_create_devs(void)
> @@ -740,10 +745,6 @@ static int wmi_create_devs(void)
>               result = device_register(guid_dev);
>               if (result)
>                       return result;
> -
> -             result = device_create_file(guid_dev, &dev_attr_modalias);
> -             if (result)
> -                     return result;
>       }
> 
>       return 0;
> @@ -763,8 +764,6 @@ static void wmi_remove_devs(void)
>               guid_dev = wblock->dev;
>               gblock = &wblock->gblock;
> 
> -             device_remove_file(guid_dev, &dev_attr_modalias);
> -
>               device_unregister(guid_dev);
>       }
>  }
> 
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