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net: hns3: fix duplicate node in VLAN list

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VLAN list should not be added duplicate VLAN node, otherwise it would
cause "add failed" when restore VLAN from VLAN list, so this patch adds
VLAN ID check before adding node into VLAN list.

Fixes: c6075b1934 ("net: hns3: Record VF vlan tables")
Signed-off-by: Guojia Liao <liaoguojia@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Guojia Liao 2021-08-26 19:21:58 +08:00 committed by Jakub Kicinski
parent b15c072a9f
commit 94391fae82
1 changed files with 5 additions and 1 deletions
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6
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
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@ -10073,7 +10073,11 @@ static int hclge_init_vlan_config(struct hclge_dev *hdev)
static void hclge_add_vport_vlan_table(struct hclge_vport *vport, u16 vlan_id,
bool writen_to_tbl)
{
struct hclge_vport_vlan_cfg *vlan;
struct hclge_vport_vlan_cfg *vlan, *tmp;
list_for_each_entry_safe(vlan, tmp, &vport->vlan_list, node)
if (vlan->vlan_id == vlan_id)
return;
vlan = kzalloc(sizeof(*vlan), GFP_KERNEL);
if (!vlan)