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Zhu Yanjun authored
Since netif_carrier_on() will do nothing if device's carrier is already on, so it's unnecessary to do carrier status check. It's the same for netif_carrier_off(). Signed-off-by:
Zhu Yanjun <yanjun.zhu@oracle.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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