bonding: remove no longer needed lock for bond_xxx_info_query()

The bond_xxx_info_query() was already in RTNL, so no need to use
bond lock to protect the bond slave list, so remove it.

Cc: Jay Vosburgh <[email protected]>
Cc: Veaceslav Falico <[email protected]>
Cc: Andy Gospodarek <[email protected]>
Signed-off-by: Ding Tianhong <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 942eeb1c7794128b3aa0af238f329e9114b5edf3..12948b33451a37f2db51c53e12ff1effb31b4f80 100644 (file)
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1816,9 +1816,7 @@ static int bond_info_query(struct net_device *bond_dev, struct ifbond *info)
        info->bond_mode = bond->params.mode;
        info->miimon = bond->params.miimon;
 
-       read_lock(&bond->lock);
        info->num_slaves = bond->slave_cnt;
-       read_unlock(&bond->lock);
 
        return 0;
 }
@@ -1830,7 +1828,6 @@ static int bond_slave_info_query(struct net_device *bond_dev, struct ifslave *in
        int i = 0, res = -ENODEV;
        struct slave *slave;
 
-       read_lock(&bond->lock);
        bond_for_each_slave(bond, slave, iter) {
                if (i++ == (int)info->slave_id) {
                        res = 0;
@@ -1841,7 +1838,6 @@ static int bond_slave_info_query(struct net_device *bond_dev, struct ifslave *in
                        break;
                }
        }
-       read_unlock(&bond->lock);
 
        return res;
 }