net: adaptec: starfire: add checks for dma mapping errors

init_ring(), refill_rx_ring() and start_tx() don't check
if mapping dma memory succeed.
The patch adds the checks and failure handling.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>

path: root/tools/perf/scripts/python/bin/netdev-times-report

#!/bin/bash
# description: display a process of packet and processing time
# args: [tx] [rx] [dev=] [debug]

perf script -s "$PERF_EXEC_PATH"/scripts/python/netdev-times.py $@