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Zhu Yanjun authored
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>
39e50d96