Re: [PATCH linux-next] mlxsw: spectrum: use netif_is_macsec() instead of open code

[Ioana Ciornei]

On Fri, Dec 15, 2023 at 09:45:31PM +0800, yang.guang5@xxxxxxxxxx wrote:
> From: Yang Guang <yang.guang5@xxxxxxxxxx>
> 
> Open code which is dev->priv_flags & IFF_MACSEC has already defined as
> netif_is_macsec(). So use netif_is_macsec() instead of open code.
> No functional changed.
> 
> Signed-off-by: Chen Haonan <chen.haonan2@xxxxxxxxxx>
> ---
>  include/linux/netdevice.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
> index 1b935ee341b4..1f2b23d854c9 100644
> --- a/include/linux/netdevice.h
> +++ b/include/linux/netdevice.h
> @@ -5103,7 +5103,7 @@ void netif_inherit_tso_max(struct net_device *to,
> 
>  static inline bool netif_is_macsec(const struct net_device *dev)
>  {
> -	return dev->priv_flags & IFF_MACSEC;
> +	return netif_is_macsec(dev);
>  }

So you are replacing the actual implementation of the netif_is_macsec()
function with a call to the same netif_is_macsec().

How does this work?