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@us.ibm.com>
CC: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 03cf3fd14490c4e4dcf8cd2d61f8bca99c9d55db..90f4847b264b1e384c7579c539002a0e8fc21d3e 100644 (file)
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -276,13 +276,7 @@ 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 netdev_lower_dev_get_private(bond->dev, slave_dev);
 }
 
 static inline struct bonding *bond_get_bond_by_slave(struct slave *slave)