tree 5b9787eb26cd81f9ca16cf3d53f70cf8bf03c5db
parent cf626c3b252b2c9d131be0dd66096ec3bf729e54
author Alexey Khoroshilov <khoroshilov@ispras.ru> 1485554850 +0300
committer David S. Miller <davem@davemloft.net> 1485734651 -0500

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>