netdev - [PATCH net-next 11/11] qrtr: skb_put

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Message-Id: <1497452365-5177-1-git-send-email-cugyly@163.com>
Date:   Wed, 14 Jun 2017 22:59:25 +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 11/11] qrtr: 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/qrtr/qrtr.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c
index c7a5d86..e96353d 100644
--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -285,8 +285,7 @@ static struct sk_buff *qrtr_alloc_resume_tx(u32 src_node,
 	if (!skb)
 		return NULL;
 
-	buf = (__le32 *)skb_put(skb, pkt_len);
-	memset(buf, 0, pkt_len);
+	buf = (__le32 *)skb_put_zero(skb, pkt_len);
 	buf[0] = cpu_to_le32(QRTR_TYPE_RESUME_TX);
 	buf[1] = cpu_to_le32(src_node);
 	buf[2] = cpu_to_le32(port);
@@ -306,8 +305,7 @@ static struct sk_buff *qrtr_alloc_local_bye(u32 src_node)
 	if (!skb)
 		return NULL;
 
-	buf = (__le32 *)skb_put(skb, pkt_len);
-	memset(buf, 0, pkt_len);
+	buf = (__le32 *)skb_put_zero(skb, pkt_len);
 	buf[0] = cpu_to_le32(QRTR_TYPE_BYE);
 
 	return skb;
@@ -324,8 +322,7 @@ static struct sk_buff *qrtr_alloc_del_client(struct sockaddr_qrtr *sq)
 	if (!skb)
 		return NULL;
 
-	buf = (__le32 *)skb_put(skb, pkt_len);
-	memset(buf, 0, pkt_len);
+	buf = (__le32 *)skb_put_zero(skb, pkt_len);
 	buf[0] = cpu_to_le32(QRTR_TYPE_DEL_CLIENT);
 	buf[1] = cpu_to_le32(sq->sq_node);
 	buf[2] = cpu_to_le32(sq->sq_port);
-- 
2.7.4