net: phy: c45: don't use temporary linkmode bitmaps in genphy_c45_ethtool_get_eee

genphy_c45_eee_is_active() populates both bitmaps only if it returns
successfully. So we can avoid the overhead of the temporary bitmaps.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/b0832102-28ab-4223-b879-91fb1fc11278@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c
index c1b3576..7b0ffa3 100644
--- a/drivers/net/phy/phy-c45.c
+++ b/drivers/net/phy/phy-c45.c
@@ -1523,20 +1523,17 @@ EXPORT_SYMBOL(genphy_c45_eee_is_active);
 int genphy_c45_ethtool_get_eee(struct phy_device *phydev,
 			       struct ethtool_keee *data)
 {
-	__ETHTOOL_DECLARE_LINK_MODE_MASK(adv) = {};
-	__ETHTOOL_DECLARE_LINK_MODE_MASK(lp) = {};
 	bool is_enabled;
 	int ret;
 
-	ret = genphy_c45_eee_is_active(phydev, adv, lp, &is_enabled);
+	ret = genphy_c45_eee_is_active(phydev, data->advertised,
+				       data->lp_advertised, &is_enabled);
 	if (ret < 0)
 		return ret;
 
 	data->eee_enabled = is_enabled;
 	data->eee_active = ret;
 	linkmode_copy(data->supported, phydev->supported_eee);
-	linkmode_copy(data->advertised, adv);
-	linkmode_copy(data->lp_advertised, lp);
 
 	return 0;
 }