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net/mlx5: Don't maintain a case of del_sw_func being null

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Add del_sw_func cb for root ns. Now there is no need to
maintain a case of del_sw_func being null when freeing the node.

Fixes: 2cc43b494a ("net/mlx5_core: Managing root flow table")
Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Roi Dayan 2020-05-11 16:37:11 +03:00 committed by Saeed Mahameed
parent aee37f3d94
commit 6eb7a268a9
1 changed files with 9 additions and 8 deletions
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17
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
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@ -346,14 +346,10 @@ static void tree_put_node(struct fs_node *node, bool locked)
if (parent_node) {
down_write_ref_node(parent_node, locked);
list_del_init(&node->list);
if (node->del_sw_func)
node->del_sw_func(node);
up_write_ref_node(parent_node, locked);
} else if (node->del_sw_func) {
node->del_sw_func(node);
} else {
kfree(node);
}
node->del_sw_func(node);
if (parent_node)
up_write_ref_node(parent_node, locked);
node = NULL;
}
if (!node && parent_node)
@ -2352,6 +2348,11 @@ static int init_root_tree(struct mlx5_flow_steering *steering,
return 0;
}
static void del_sw_root_ns(struct fs_node *node)
{
kfree(node);
}
static struct mlx5_flow_root_namespace
*create_root_ns(struct mlx5_flow_steering *steering,
enum fs_flow_table_type table_type)
@ -2378,7 +2379,7 @@ static struct mlx5_flow_root_namespace
ns = &root_ns->ns;
fs_init_namespace(ns);
mutex_init(&root_ns->chain_lock);
tree_init_node(&ns->node, NULL, NULL);
tree_init_node(&ns->node, NULL, del_sw_root_ns);
tree_add_node(&ns->node, NULL);
return root_ns;