netdev - Re: [PATCH v2 net-next 1/3] net: dsa: mv88e6xxx: change default return of mv88e6xxx_port_bridge

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Date:   Tue, 13 Dec 2022 14:38:41 -0800
From:   Alexander H Duyck <alexander.duyck@...il.com>
To:     "Hans J. Schultz" <netdev@...io-technology.com>,
        davem@...emloft.net, kuba@...nel.org
Cc:     netdev@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 net-next 1/3] net: dsa: mv88e6xxx: change default
 return of mv88e6xxx_port_bridge_flags

On Tue, 2022-12-13 at 18:46 +0100, Hans J. Schultz wrote:
> The default return value -EOPNOTSUPP of mv88e6xxx_port_bridge_flags()
> came from the return value of the DSA method port_egress_floods() in
> commit 4f85901f0063 ("net: dsa: mv88e6xxx: add support for bridge flags"),
> but the DSA API was changed in commit a8b659e7ff75 ("net: dsa: act as
> passthrough for bridge port flags"), resulting in the return value
> -EOPNOTSUPP not being valid anymore, and sections for new flags will not
> need to set the return value to zero on success, as with the new mab flag
> added in a following patch.
> 
> Signed-off-by: Hans J. Schultz <netdev@...io-technology.com>
> ---
>  drivers/net/dsa/mv88e6xxx/chip.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
> index ba4fff8690aa..d5930b287db4 100644
> --- a/drivers/net/dsa/mv88e6xxx/chip.c
> +++ b/drivers/net/dsa/mv88e6xxx/chip.c
> @@ -6546,7 +6546,7 @@ static int mv88e6xxx_port_bridge_flags(struct dsa_switch *ds, int port,
>  				       struct netlink_ext_ack *extack)
>  {
>  	struct mv88e6xxx_chip *chip = ds->priv;
> -	int err = -EOPNOTSUPP;
> +	int err = 0;
>  
>  	mv88e6xxx_reg_lock(chip);
>  

Reviewed-by: Alexander Duyck <alexanderduyck@...com>