libertas: Fix ethtool reporting no WOL options supported if WOL is not already active

This patch fixes the libertas driver incorrectly reporting that Wake-on-LAN
is not supported if Wake-on-LAN is currently disabled.
Signed-off-by: Sascha Silbe <sascha-pgp@silbe.org>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/libertas/ethtool.c

@@ -69,14 +69,11 @@ static void lbs_ethtool_get_wol(struct net_device *dev,
 {
 	struct lbs_private *priv = dev->ml_priv;
 
-	if (priv->wol_criteria == 0xffffffff) {
-		/* Interface driver didn't configure wake */
-		wol->supported = wol->wolopts = 0;
-		return;
-	}
-
 	wol->supported = WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY;
 
+	if (priv->wol_criteria == EHS_REMOVE_WAKEUP)
+		return;
+
 	if (priv->wol_criteria & EHS_WAKE_ON_UNICAST_DATA)
 		wol->wolopts |= WAKE_UCAST;
 	if (priv->wol_criteria & EHS_WAKE_ON_MULTICAST_DATA)