[PATCH net-next v2] net: hns3: use list_move_tail instead of list_del/list_add_tail in hclge_main.c

From: Baokun Li
Date: Wed Jun 09 2021 - 03:12:04 EST


Using list_move_tail() instead of list_del() + list_add_tail() in hclge_main.c.

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Baokun Li <libaokun1@xxxxxxxxxx>
---
V1->V2:
CC mailist

.../hns3/hns3pf/hclge_main.c | 15 +++++----------
1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 6ecc106af334..2e95d36fcc52 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -8799,8 +8799,7 @@ static bool hclge_sync_from_add_list(struct list_head *add_list,
kfree(mac_node);
} else if (mac_node->state == HCLGE_MAC_ACTIVE) {
mac_node->state = HCLGE_MAC_TO_DEL;
- list_del(&mac_node->node);
- list_add_tail(&mac_node->node, mac_list);
+ list_move_tail(&mac_node->node, mac_list);
} else {
list_del(&mac_node->node);
kfree(mac_node);
@@ -8829,8 +8828,7 @@ static void hclge_sync_from_del_list(struct list_head *del_list,
list_del(&mac_node->node);
kfree(mac_node);
} else {
- list_del(&mac_node->node);
- list_add_tail(&mac_node->node, mac_list);
+ list_move_tail(&mac_node->node, mac_list);
}
}
}
@@ -8874,8 +8872,7 @@ static void hclge_sync_vport_mac_table(struct hclge_vport *vport,
list_for_each_entry_safe(mac_node, tmp, list, node) {
switch (mac_node->state) {
case HCLGE_MAC_TO_DEL:
- list_del(&mac_node->node);
- list_add_tail(&mac_node->node, &tmp_del_list);
+ list_move_tail(&mac_node->node, &tmp_del_list);
break;
case HCLGE_MAC_TO_ADD:
new_node = kzalloc(sizeof(*new_node), GFP_ATOMIC);
@@ -8957,8 +8954,7 @@ static void hclge_build_del_list(struct list_head *list,
switch (mac_cfg->state) {
case HCLGE_MAC_TO_DEL:
case HCLGE_MAC_ACTIVE:
- list_del(&mac_cfg->node);
- list_add_tail(&mac_cfg->node, tmp_del_list);
+ list_move_tail(&mac_cfg->node, tmp_del_list);
break;
case HCLGE_MAC_TO_ADD:
if (is_del_list) {
@@ -9053,8 +9049,7 @@ static void hclge_uninit_vport_mac_list(struct hclge_vport *vport,
switch (mac_node->state) {
case HCLGE_MAC_TO_DEL:
case HCLGE_MAC_ACTIVE:
- list_del(&mac_node->node);
- list_add_tail(&mac_node->node, &tmp_del_list);
+ list_move_tail(&mac_node->node, &tmp_del_list);
break;
case HCLGE_MAC_TO_ADD:
list_del(&mac_node->node);