netdev - [PATCH net-next v3 2/6] bonding: remove the no effect lock for bond_3ad_lacpdu

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Message-ID: <52283760.6080309@huawei.com>
Date:	Thu, 5 Sep 2013 15:48:48 +0800
From:	Ding Tianhong <dingtianhong@...wei.com>
To:	Jay Vosburgh <fubar@...ibm.com>,
	Andy Gospodarek <andy@...yhouse.net>,
	"David S. Miller" <davem@...emloft.net>,
	Nikolay Aleksandrov <nikolay@...hat.com>,
	Veaceslav Falico <vfalico@...hat.com>,
	Netdev <netdev@...r.kernel.org>
Subject: [PATCH net-next v3 2/6] bonding: remove the no effect lock for bond_3ad_lacpdu_recv()

There is no pointer needed read lock protection, remove the unnecessary lock
and improve performance for the 3ad recv path.

Signed-off-by: Ding Tianhong <dingtianhong@...wei.com>
Cc: Nikolay Aleksandrov <nikolay@...hat.com>
---
 drivers/net/bonding/bond_3ad.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 7a3860f..c134f43 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -2494,9 +2494,7 @@ int bond_3ad_lacpdu_recv(const struct sk_buff *skb, struct bonding *bond,
 	if (!lacpdu)
 		return ret;
 
-	read_lock(&bond->lock);
 	ret = bond_3ad_rx_indication(lacpdu, slave, skb->len);
-	read_unlock(&bond->lock);
 	return ret;
 }
 
-- 
1.8.2.1



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