netdev - Re: [patch net-next] funeth: remove pointless check of devlink pointer in create/destroy

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Message-ID: <CAOkoqZnX2bGtvb6Keajo7Edy5G6Joc=CSxNfNrgbeYmXT=BA+A@mail.gmail.com>
Date:   Fri, 26 Aug 2022 12:01:56 -0700
From:   Dimitris Michailidis <d.michailidis@...gible.com>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     Networking <netdev@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, pabeni@...hat.com,
        edumazet@...gle.com, Dimitrios Michailidis <dmichail@...gible.com>
Subject: Re: [patch net-next] funeth: remove pointless check of devlink
 pointer in create/destroy_netdev() flows

On Fri, Aug 26, 2022 at 4:04 AM Jiri Pirko <jiri@...nulli.us> wrote:
>
> From: Jiri Pirko <jiri@...dia.com>
>
> Once devlink port is successfully registered, the devlink pointer is not
> NULL. Therefore, the check is going to be always true and therefore
> pointless. Remove it.
>
> Signed-off-by: Jiri Pirko <jiri@...dia.com>

Thanks for the patch.

Acked-by: Dimitris Michailidis <dmichail@...gible.com>

> ---
>  drivers/net/ethernet/fungible/funeth/funeth_main.c | 12 ++++--------
>  1 file changed, 4 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/net/ethernet/fungible/funeth/funeth_main.c b/drivers/net/ethernet/fungible/funeth/funeth_main.c
> index f247b7ad3a88..b6de2ad82a32 100644
> --- a/drivers/net/ethernet/fungible/funeth/funeth_main.c
> +++ b/drivers/net/ethernet/fungible/funeth/funeth_main.c
> @@ -1802,16 +1802,14 @@ static int fun_create_netdev(struct fun_ethdev *ed, unsigned int portid)
>         if (rc)
>                 goto unreg_devlink;
>
> -       if (fp->dl_port.devlink)
> -               devlink_port_type_eth_set(&fp->dl_port, netdev);
> +       devlink_port_type_eth_set(&fp->dl_port, netdev);
>
>         return 0;
>
>  unreg_devlink:
>         ed->netdevs[portid] = NULL;
>         fun_ktls_cleanup(fp);
> -       if (fp->dl_port.devlink)
> -               devlink_port_unregister(&fp->dl_port);
> +       devlink_port_unregister(&fp->dl_port);
>  free_stats:
>         fun_free_stats_area(fp);
>  free_rss:
> @@ -1830,10 +1828,8 @@ static void fun_destroy_netdev(struct net_device *netdev)
>         struct funeth_priv *fp;
>
>         fp = netdev_priv(netdev);
> -       if (fp->dl_port.devlink) {
> -               devlink_port_type_clear(&fp->dl_port);
> -               devlink_port_unregister(&fp->dl_port);
> -       }
> +       devlink_port_type_clear(&fp->dl_port);
> +       devlink_port_unregister(&fp->dl_port);
>         unregister_netdev(netdev);
>         fun_ktls_cleanup(fp);
>         fun_free_stats_area(fp);
> --
> 2.37.1
>