mac802154: rx packet handle cleanup

This patch replaces !netif_running(sdata->dev) with
!ieee802154_sdata_running(sdata) and also devide the
code two separate if branches.
Signed-off-by: Varka Bhadram <varkab@cdac.in>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

net/mac802154/rx.c

@@ -202,8 +202,10 @@ __ieee802154_rx_handle_packet(struct ieee802154_local *local,
 	}
 
 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {
-		if (sdata->wpan_dev.iftype != NL802154_IFTYPE_NODE ||
-		    !netif_running(sdata->dev))
+		if (sdata->wpan_dev.iftype != NL802154_IFTYPE_NODE)
+			continue;
+
+		if (!ieee802154_sdata_running(sdata))
 			continue;
 
 		ieee802154_subif_frame(sdata, skb, &hdr);