netdev - [PATCH v4 net-next 06/27] bonding: modify bond_get_slave_by

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Message-Id: <1380023227-9576-7-git-send-email-vfalico@redhat.com>
Date:	Tue, 24 Sep 2013 13:46:46 +0200
From:	Veaceslav Falico <vfalico@...hat.com>
To:	netdev@...r.kernel.org
Cc:	jiri@...nulli.us, Veaceslav Falico <vfalico@...hat.com>,
	Jay Vosburgh <fubar@...ibm.com>,
	Andy Gospodarek <andy@...yhouse.net>
Subject: [PATCH v4 net-next 06/27] bonding: modify bond_get_slave_by_dev() to use neighbours

It should be used under rtnl/bonding lock, so use the non-RCU version.

CC: Jay Vosburgh <fubar@...ibm.com>
CC: Andy Gospodarek <andy@...yhouse.net>
Signed-off-by: Veaceslav Falico <vfalico@...hat.com>
---

Notes:
    v3  -> v4:
    No change.
    
    v2  -> v3:
    No change.
    
    v1  -> v2:
    No changes.
    
    RFC -> v1:
    Move the patch right after we've populated ->private with bonding.

 drivers/net/bonding/bonding.h | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 03cf3fd..597a4ec 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -276,13 +276,8 @@ struct bonding {
 static inline struct slave *bond_get_slave_by_dev(struct bonding *bond,
 						  struct net_device *slave_dev)
 {
-	struct slave *slave = NULL;
-
-	bond_for_each_slave(bond, slave)
-		if (slave->dev == slave_dev)
-			return slave;
-
-	return NULL;
+	return (struct slave *)netdev_lower_dev_get_private(bond->dev,
+							    slave_dev);
 }
 
 static inline struct bonding *bond_get_bond_by_slave(struct slave *slave)
-- 
1.8.4

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