Subject: Re: [PATCH v2 net-next 3/5] drivers/net/phy: add connection between ethtool and phylib for PLCA

From: Piergiorgio Beruto <[email-masked]>
Date: Mon, 9 Jan 2023 00:48:09 +0100

Hello Andrew,
thank you very much for your review.
I have fixed this issue.

Piergiorgio

On Sat, Jan 07, 2023 at 06:37:52PM +0100, Andrew Lunn wrote:
> > +	// if not enabling PLCA, skip a few sanity checks
> > +	if (plca_cfg->enabled <= 0)
> > +		goto apply_cfg;
> > +
> > +	if (!linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT1S_P2MP_Half_BIT,
> > +			       phydev->advertising)) {
> > +		ret = -EOPNOTSUPP;
> > +		NL_SET_ERR_MSG(extack,
> > +			       "Point to Multi-Point mode is not enabled");
> > +	}
> > +
> > +	// allow setting node_id concurrently with enabled
> > +	if (plca_cfg->node_id >= 0)
> > +		curr_plca_cfg->node_id = plca_cfg->node_id;
> > +
> > +	if (curr_plca_cfg->node_id >= 255) {
> > +		NL_SET_ERR_MSG(extack, "PLCA node ID is not set");
> > +		ret = -EINVAL;
> > +		goto out_drv;
> > +	}
> > +
> > +apply_cfg:
> > +	ret = phydev->drv->set_plca_cfg(phydev, plca_cfg);
> 
> Goto which don't jump to the end of the function is generally frowned
> upon. I suggest you put these sanity checks into a little helper, so
> you can avoid the goto.
> 
> With that change make, feel free to add my reviewed-by.
> 
>      Andrew