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Date:   Wed, 1 Jul 2020 11:51:26 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Ido Schimmel <idosch@...sch.org>
Cc:     netdev@...r.kernel.org, davem@...emloft.net,
        michael.chan@...adcom.com, jeffrey.t.kirsher@...el.com,
        saeedm@...lanox.com, leon@...nel.org, jiri@...lanox.com,
        snelson@...sando.io, andrew@...n.ch, vivien.didelot@...il.com,
        f.fainelli@...il.com, danieller@...lanox.com, mlxsw@...lanox.com,
        Ido Schimmel <idosch@...lanox.com>
Subject: Re: [PATCH net-next v2 3/9] devlink: Replace devlink_port_attrs_set
 parameters with a struct

On Wed,  1 Jul 2020 17:32:45 +0300 Ido Schimmel wrote:
> diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
> index 2bd610fafc58..3af4e7397263 100644
> --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
> +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
> @@ -691,6 +691,9 @@ static void bnxt_dl_params_unregister(struct bnxt *bp)
>  
>  int bnxt_dl_register(struct bnxt *bp)
>  {
> +	struct devlink_port_attrs attrs = {};
> +	const unsigned char *switch_id;
> +	unsigned char switch_id_len;
>  	struct devlink *dl;
>  	int rc;
>  
> @@ -719,9 +722,13 @@ int bnxt_dl_register(struct bnxt *bp)
>  	if (!BNXT_PF(bp))
>  		return 0;
>  
> -	devlink_port_attrs_set(&bp->dl_port, DEVLINK_PORT_FLAVOUR_PHYSICAL,
> -			       bp->pf.port_id, false, 0, bp->dsn,
> -			       sizeof(bp->dsn));
> +	attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
> +	attrs.phys.port_number = bp->pf.port_id;
> +	switch_id = bp->dsn;
> +	switch_id_len = sizeof(bp->dsn);

Why do you create those local variables everywhere?

> +	memcpy(attrs.switch_id.id, switch_id, switch_id_len);
> +	attrs.switch_id.id_len = switch_id_len;
> +	devlink_port_attrs_set(&bp->dl_port, &attrs);
>  	rc = devlink_port_register(dl, &bp->dl_port, bp->pf.port_id);
>  	if (rc) {
>  		netdev_err(bp->dev, "devlink_port_register failed\n");

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