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authorRoi Dayan <roid@mellanox.com>2020-05-11 16:32:09 +0300
committerSaeed Mahameed <saeedm@mellanox.com>2020-05-22 17:28:48 -0700
commitaee37f3d940ca732df71c3df49347bccaafc0b24 (patch)
tree483eed4e1fd43ff7675bb6b32bf049ccecf1dced
parentdf14ad1eccb04a4a28c90389214dbacab085b244 (diff)
downloadlinux-sh-aee37f3d940ca732df71c3df49347bccaafc0b24.tar.gz
net/mlx5: Fix cleaning unmanaged flow tables
Unmanaged flow tables doesn't have a parent and tree_put_node() assume there is always a parent if cleaning is needed. fix that. Fixes: 5281a0c90919 ("net/mlx5: fs_core: Introduce unmanaged flow tables") 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>
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/fs_core.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index d5defe09339a..8f62bfcf57af 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -344,14 +344,13 @@ static void tree_put_node(struct fs_node *node, bool locked)
if (node->del_hw_func)
node->del_hw_func(node);
if (parent_node) {
- /* Only root namespace doesn't have parent and we just
- * need to free its 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);
}
@@ -468,8 +467,10 @@ static void del_sw_flow_table(struct fs_node *node)
fs_get_obj(ft, node);
rhltable_destroy(&ft->fgs_hash);
- fs_get_obj(prio, ft->node.parent);
- prio->num_ft--;
+ if (ft->node.parent) {
+ fs_get_obj(prio, ft->node.parent);
+ prio->num_ft--;
+ }
kfree(ft);
}