bond: check if slave count is 0 in case when deciding to take slave's mac

in bond_enslave(), check slave_cnt before actually using slave address.

introduced by:
commit 409cc1f8a4 (bond: have random dev address by default instead of zeroes)

Reported-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2013-02-25 22:26:15 +00:00 committed by David S. Miller
parent 0237c11044
commit 6c8c4e4c24

View File

@ -1629,7 +1629,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
/* If this is the first slave, then we need to set the master's hardware
* address to be the same as the slave's. */
if (bond->dev_addr_from_first)
if (bond->slave_cnt == 0 && bond->dev_addr_from_first)
bond_set_dev_addr(bond->dev, slave_dev);
new_slave = kzalloc(sizeof(struct slave), GFP_KERNEL);