tree d7b0756ac82ccc95de95ecb8e037a2fe9795f355
parent d2a5128fbc30480763bbb8a43ec7c8161c1bf055
author Rob Herring <rob.herring@calxeda.com> 1377899368 -0500
committer David S. Miller <davem@davemloft.net> 1378261276 -0400

net: calxedaxgmac: fix rx DMA mapping API size mismatches

Fix the mismatch in the DMA mapping and unmapping sizes for receive. The
unmap size must be equal to the map size and should not be the actual
received frame length. The map size should also be adjusted by the
NET_IP_ALIGN size since the h/w buffer size (dma_buf_sz) includes this
offset.

Also, add a missing dma_mapping_error check in xgmac_rx_refill.

Reported-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: David S. Miller <davem@davemloft.net>