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bonding: check for assigned mac before adopting the slaves mac address 

Restore the check for an unassigned mac address before adopting the
first slaves as it's own. The change in behavior was introduced by:

commit c20811a79e
Author: Jiri Pirko <jpirko@redhat.com>

    bonding: move dev_addr cpy to bond_enslave


Signed-off-by: David Strand <dpstrand@gmail.com>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Strand 2010-12-01 11:43:08 -08:00 committed by David S. Miller
parent 6c08af0302
commit d13a2cb63d
1 changed files with 1 additions and 1 deletions
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2
drivers/net/bonding/bond_main.c
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@ -1576,7 +1576,7 @@ 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->slave_cnt == 0)
if (is_zero_ether_addr(bond->dev->dev_addr))
memcpy(bond->dev->dev_addr, slave_dev->dev_addr,
slave_dev->addr_len);