net/hns3: fix double decrement of secondary count

[ upstream commit c687877 ]

The "secondary_cnt" indicates the number of secondary processes on an
Ethernet device. But the variable is double subtracted when detach the
device in secondary processes.

Fixes: ff6dc76 ("net/hns3: refactor multi-process initialization")

Signed-off-by: Huisong Li <lihuisong@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>

drivers/net/hns3/hns3_ethdev_vf.c

@@ -2472,7 +2472,6 @@ hns3vf_dev_uninit(struct rte_eth_dev *eth_dev)
 	PMD_INIT_FUNC_TRACE();
 
 	if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
-		__atomic_fetch_sub(&hw->secondary_cnt, 1, __ATOMIC_RELAXED);
 		hns3_mp_uninit(eth_dev);
 		return 0;
 	}