net/sched: cbs: Fix error path of cbs_module_init
[ Upstream commit 45d5cb13 ] If register_qdisc fails, we should unregister netdevice notifier. Reported-by: Hulk Robot <hulkci@huawei.com> Fixes: e0a7683d ("net/sched: cbs: fix port_rate miscalculation") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
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