s390/qeth: don't verify device when setting MAC address
There's no reason why l2_set_mac_address() should ever be called for a netdevice that's not owned by qeth. It's certainly not required for VLAN devices, which have their own netdev_ops. Also: 1) we don't do such validation for any of the other netdev_ops routines. 2) the code in question clearly has never been actually exercised; it's broken. After determining that the device is not owned by qeth, it would still use dev->ml_priv to write a qeth trace entry. Remove the check, and its helper that walked the global card list. Signed-off-by: NJulian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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