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

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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);