There is no need to return always zero for function which is not
supported. The IB stack treats uninitialized ib_device->functions as
not implemented.
Signed-off-by: NLeon Romanovsky <leonro@mellanox.com>
Reviewed-by: NDennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: NYuval Shaia <yuval.shaia@oracle.com>
Acked-by: NSelvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>