Neil Horman c4b160685f jme: Fix unmap loop counting error: ...

In my recent fix (76a691d0a: fix dma unmap warning), Ben Hutchings noted that my
loop count was incorrect.  Where j started at startidx, it should have started
at zero, and gone on for count entries, not to endidx.  Additionally, a DMA
resource exhaustion should drop the frame and (for now), return
NETDEV_TX_OK, not NETEV_TX_BUSY.  This patch fixes both of those issues:

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Ben Hutchings <ben@decadent.org.uk>
CC: "David S. Miller" <davem@davemloft.net>
CC: Guo-Fu Tseng <cooldavid@cooldavid.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

2014-05-14 15:11:22 -04:00

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