net: fec: clean up transmit descriptor setup

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Avoid writing any state until we're certain we can proceed with the
transmission: this avoids writing mapping error address values to the
descriptors, or setting the skbuff pointer until we have successfully
mapped the skb.

Acked-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Russell King 2014-07-08 00:23:19 +01:00 • committed by David S. Miller

parent 730ee3602f

commit d6bf31431b

1 changed files with 18 additions and 15 deletions

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33

drivers/net/ethernet/freescale/fec_main.c

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