qeth: BRIDGEPORT "sanity check"
qeth: BRIDGEPORT "sanity check"

Forbid enabling IFF_PROMISC reflection to BRIDGEPORT when a role
is already assigned, and forbid direct manipulation of the role
when reflection mode is engaged.

Reviewed-by: Thomas Richter <8efd8ac704d21550d1708b5fda9fd8afae04d143@linux.vnet.ibm.com>
Signed-off-by: Eugene Crosser <7e4f7796d2bb02a059f909327829c9a652d8f070@ru.ibm.com>
Signed-off-by: Ursula Braun <3498481c3b1fee38251ffe7b781cda34b574142e@de.ibm.com>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs