Re: [PATCH] net: phy: fix uninitalized WOL parameters in phy_ethtool_get_wol

From: Ben Hutchings
Date: Mon Mar 10 2014 - 19:18:53 EST


On Mon, 2014-03-10 at 16:23 -0400, David Miller wrote:
> From: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx>
> Date: Mon, 10 Mar 2014 10:49:53 +0000
>
> > void phy_ethtool_get_wol(struct phy_device *phydev, struct
> > ethtool_wolinfo *wol)
> > {
> > memset(wol, 0, sizeof(*wol));
> >
> > if (phydev && phydev->drv->get_wol)
> > phydev->drv->get_wol(phydev, wol);
> > }
> >
> > That would also simplify above drivers down to e.g:
> >
> > static void cpsw_get_wol(struct net_device *ndev, struct
> > ethtool_wolinfo *wol)
> > {
> > struct cpsw_priv *priv = netdev_priv(ndev);
> > int slave_no = cpsw_slave_index(priv);
> > phy_ethtool_get_wol(priv->slaves[slave_no].phy, wol);
> > }
> >
> > instead of:
> >
> > static void cpsw_get_wol(struct net_device *ndev, struct
> > ethtool_wolinfo *wol)
> > {
> > struct cpsw_priv *priv = netdev_priv(ndev);
> > int slave_no = cpsw_slave_index(priv);
> >
> > wol->supported = 0;
> > wol->wolopts = 0;
> >
> > if (priv->slaves[slave_no].phy)
> > phy_ethtool_get_wol(priv->slaves[slave_no].phy, wol);
> > }
>
> Agreed, since phy_ethtool_get_wol() is the common routine used by the drivers,
> we should make it clear the structure.

No, ethtool_get_wol() is the common routine used by *all* the drivers
and it initialises the struct properly.

Ben.

--
Ben Hutchings
Computers are not intelligent. They only think they are.

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