forcedeth: optimize the xmit/rx with unlikely

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In the xmit/rx fastpath, the function dma_map_single rarely fails.
Therefore, add an unlikely() optimization to this error check
conditional.

Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Zhu Yanjun 2017-09-22 10:20:21 -04:00 • committed by David S. Miller

parent 1f8d31d189

commit 39e50d9637

1 changed files with 14 additions and 12 deletions

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drivers/net/ethernet/nvidia/forcedeth.c

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