[NET]: Another cleanup in netif_receive_skb()

Move rcu_read_lock up a little, since it needs to be
done in both branches anyway. Also whitespace fix.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@redhat.com>

net/core/dev.c

@@ -1773,15 +1773,16 @@ int netif_receive_skb(struct sk_buff *skb)
 	skb->mac_len = skb->nh.raw - skb->mac.raw;
 
 	pt_prev = NULL;
+
+	rcu_read_lock();
+
 #ifdef CONFIG_NET_CLS_ACT
 	if (skb->tc_verd & TC_NCLS) {
 		skb->tc_verd = CLR_TC_NCLS(skb->tc_verd);
-		rcu_read_lock();
 		goto ncls;
 	}
- #endif
+#endif
 
-	rcu_read_lock();
 	list_for_each_entry_rcu(ptype, &ptype_all, list) {
 		if (!ptype->dev || ptype->dev == skb->dev) {
 			if (pt_prev)