diff options
| author | liuzhongzhu <liuzhongzhu@huawei.com> | 2019-02-02 17:39:37 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-02-02 19:24:09 +0300 |
| commit | 54a395b63e470696884fc12629b12e24d9379111 (patch) | |
| tree | 968469624af55a71a428dc2c04c165d4e075bb2b | |
| parent | 6104ca87e12a5119d3e53e926bb6fe468bb328e2 (diff) | |
| download | linux-54a395b63e470696884fc12629b12e24d9379111.tar.xz | |
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>
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index f55835dee5c7..0a64c7f2dc6c 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -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++; - vport->used_umv_num--; + + 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++; } |