[PATCH net-next 2/3] net/mlx5: HWS, use list_move() instead of del/add

From: Tariq Toukan
Date: Wed Mar 12 2025 - 07:51:26 EST


From: Yevgeny Kliteynik <kliteyn@xxxxxxxxxx>

Wherever applicable, use list_move function instead of list_del + list_add.

Signed-off-by: Yevgeny Kliteynik <kliteyn@xxxxxxxxxx>
Reviewed-by: Vlad Dogaru <vdogaru@xxxxxxxxxx>
Reviewed-by: Mark Bloch <mbloch@xxxxxxxxxx>
Signed-off-by: Tariq Toukan <tariqt@xxxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx5/core/steering/hws/definer.c | 3 +--
drivers/net/ethernet/mellanox/mlx5/core/steering/hws/pat_arg.c | 3 +--
2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/definer.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/definer.c
index 10ece7df1cfa..c4851d5584b7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/definer.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/definer.c
@@ -1985,8 +1985,7 @@ int mlx5hws_definer_get_obj(struct mlx5hws_context *ctx,
continue;

/* Reuse definer and set LRU (move to be first in the list) */
- list_del_init(&cached_definer->list_node);
- list_add(&cached_definer->list_node, &cache->list_head);
+ list_move(&cached_definer->list_node, &cache->list_head);
cached_definer->refcount++;
return cached_definer->definer.obj_id;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/pat_arg.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/pat_arg.c
index d9dc4f2d0dc6..f51ed24526b9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/pat_arg.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/pat_arg.c
@@ -153,8 +153,7 @@ mlx5hws_pat_get_existing_cached_pattern(struct mlx5hws_pattern_cache *cache,
cached_pattern = mlx5hws_pat_find_cached_pattern(cache, num_of_actions, actions);
if (cached_pattern) {
/* LRU: move it to be first in the list */
- list_del_init(&cached_pattern->ptrn_list_node);
- list_add(&cached_pattern->ptrn_list_node, &cache->ptrn_list);
+ list_move(&cached_pattern->ptrn_list_node, &cache->ptrn_list);
cached_pattern->refcount++;
}

--
2.31.1