s390/qeth: make use of napi_schedule_irqoff()

qeth_qdio_start_poll() is called from the qdio layer's IRQ handler,
while IRQs are masked.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed