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Date:	Tue, 27 May 2014 18:53:16 +0800
From:	Ding Tianhong <dingtianhong@...wei.com>
To:	<kaber@...sh.net>, <davem@...emloft.net>
CC:	<netdev@...r.kernel.org>
Subject: [PATCH net-next 2/2] macvlan: slight optimization for macvlan_handle_frame

Add unlikely() micro to the unlikely conditions in the macvlan_handle_frame
for slight optimization.

Signed-off-by: Ding Tianhong <dingtianhong@...wei.com>
---
 drivers/net/macvlan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index c9ada17..88694d5 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -314,7 +314,7 @@ static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb)
 	}
 	len = skb->len + ETH_HLEN;
 	skb = skb_share_check(skb, GFP_ATOMIC);
-	if (!skb)
+	if (unlikely(!skb))
 		goto out;
 
 	skb->dev = vlan->dev;
-- 
1.8.0


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