From: liaoguojia <liaoguojia@xxxxxxxxxx>
[ Upstream commit ef39d632608e66f428c1246836fd060cf4818d67 ]
The input parameters may not be reliable, so check the vlan id before
using it, otherwise may set wrong vlan id into hardware.
Fixes: dc8131d846d4 ("net: hns3: Fix for packet loss due wrong filter config in VLAN tbls")
Signed-off-by: liaoguojia <liaoguojia@xxxxxxxxxx>
Signed-off-by: Guangbin Huang <huangguangbin2@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 3f8d56ccc057..556dfc854763 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -9810,6 +9810,9 @@ static int hclge_set_vlan_filter_hw(struct hclge_dev *hdev, __be16 proto,
if (is_kill && !vlan_id)
return 0;
+ if (vlan_id >= VLAN_N_VID)
+ return -EINVAL;
+
ret = hclge_set_vf_vlan_common(hdev, vport_id, is_kill, vlan_id);
if (ret) {
dev_err(&hdev->pdev->dev,
--
2.33.0
