Commit 54a395b6 authored Feb 02, 2019 by liuzhongzhu Committed by David S. Miller Feb 02, 2019

net: hns3: MAC table entry count function increases operation 0 value protection measures



When updating the available MAC VLAN table counts,
MAC VLAN table entry count function adds
operation 0 value protection measures.

Signed-off-by: liuzhongzhu <liuzhongzhu@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 6104ca87

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -5830,9 +5830,12 @@ static void hclge_update_umv_space(struct hclge_vport *vport, bool is_free)
		if (is_free) {
		if (vport->used_umv_num > hdev->priv_umv_size)
		hdev->share_umv_size++;

		if (vport->used_umv_num > 0)
		vport->used_umv_num--;
		} else {
		if (vport->used_umv_num >= hdev->priv_umv_size)
		if (vport->used_umv_num >= hdev->priv_umv_size &&
		hdev->share_umv_size > 0)
		hdev->share_umv_size--;
		vport->used_umv_num++;
		}

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