bonding: remove unnecessary dev_addr_from_first member
In struct bonding there's a member called dev_addr_from_first which is used to denote when the bond dev should clone the first slave's MAC address but since we have netdev's addr_assign_type variable that is not necessary. We clone the first slave's MAC each time we have a random MAC set to the bond device. This has the nice side-effect of also fixing an inconsistency - when the MAC address of the bond dev is set after its creation, but prior to having slaves, it's not kept and the first slave's MAC is cloned. The only way to keep the MAC was to create the bond device with the MAC address set (e.g. through ip link). In all cases if the bond device is left without any slaves - its MAC gets reset to a random one as before. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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