netdev - [PATCH net-next 04/11] dsa: skb_put

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Message-Id: <1497451240-4182-1-git-send-email-cugyly@163.com>
Date:   Wed, 14 Jun 2017 22:40:40 +0800
From:   yuan linyu <cugyly@....com>
To:     netdev@...r.kernel.org
Cc:     "David S . Miller" <davem@...emloft.net>,
        yuan linyu <Linyu.Yuan@...atel-sbell.com.cn>
Subject: [PATCH net-next 04/11] dsa: skb_put_zero() used to optimize code

From: yuan linyu <Linyu.Yuan@...atel-sbell.com.cn>

Signed-off-by: yuan linyu <Linyu.Yuan@...atel-sbell.com.cn>
---
 net/dsa/tag_trailer.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/dsa/tag_trailer.c b/net/dsa/tag_trailer.c
index 172f131..b09e562 100644
--- a/net/dsa/tag_trailer.c
+++ b/net/dsa/tag_trailer.c
@@ -43,8 +43,7 @@ static struct sk_buff *trailer_xmit(struct sk_buff *skb, struct net_device *dev)
 	kfree_skb(skb);
 
 	if (padlen) {
-		u8 *pad = skb_put(nskb, padlen);
-		memset(pad, 0, padlen);
+		skb_put_zero(nskb, padlen);
 	}
 
 	trailer = skb_put(nskb, 4);
-- 
2.7.4