Re: [PATCH] staging: r8188eu: replace rtw_netdev_priv define with inline function

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On Sat, Aug 01, 2020 at 12:47:07PM +0300, Ivan Safonov wrote:
> The function guarantees type checking of arguments and return value.
> 
> Signed-off-by: Ivan Safonov <insafonov@xxxxxxxxx>
> ---
>  drivers/staging/rtl8188eu/include/osdep_service.h | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/rtl8188eu/include/osdep_service.h b/drivers/staging/rtl8188eu/include/osdep_service.h
> index 31d897f1d21f..e0ccafdea9cd 100644
> --- a/drivers/staging/rtl8188eu/include/osdep_service.h
> +++ b/drivers/staging/rtl8188eu/include/osdep_service.h
> @@ -71,8 +71,10 @@ struct rtw_netdev_priv_indicator {
>  };
>  struct net_device *rtw_alloc_etherdev_with_old_priv(void *old_priv);
>  
> -#define rtw_netdev_priv(netdev)					\
> -	(((struct rtw_netdev_priv_indicator *)netdev_priv(netdev))->priv)
> +static inline struct adapter *rtw_netdev_priv(struct net_device *dev)
> +{
> +	return (((struct rtw_netdev_priv_indicator *)netdev_priv(dev))->priv);
> +}
>  void rtw_free_netdev(struct net_device *netdev);

Is the cast really needed?

And no blank line before the next function prototype?

And is this really needed?  Type checking is already happening as this
is a "simple" macro, right?

thanks,

greg k-h
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