bonding: slight optimization for bond_xmit_roundrobin()

When the slave is the curr_active_slave, no need to check
whether the slave is active or not, it is always active.

Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed