net: remove unnecessary carrier status check
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:Zhang Shengju <zhangshengju@cmss.chinamobile.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
8ecbc40a
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