[PATCH 5.4 026/142] net/mlx5: Annotate mutex destroy for root ns

[Greg Kroah-Hartman]

From: Roi Dayan <r...@mellanox.com>

commit 9ca415399dae133b00273a4283ef31d003a6818d upstream.

Invoke mutex_destroy() to catch any errors.

Fixes: 2cc43b494a6c ("net/mlx5_core: Managing root flow table")
Signed-off-by: Roi Dayan <r...@mellanox.com>
Reviewed-by: Mark Bloch <ma...@mellanox.com>
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/net/ethernet/mellanox/mlx5/core/fs_core.c |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -417,6 +417,12 @@ static void del_sw_ns(struct fs_node *no
 
 static void del_sw_prio(struct fs_node *node)
 {
+       struct mlx5_flow_root_namespace *root_ns;
+       struct mlx5_flow_namespace *ns;
+
+       fs_get_obj(ns, node);
+       root_ns = container_of(ns, struct mlx5_flow_root_namespace, ns);
+       mutex_destroy(&root_ns->chain_lock);
        kfree(node);
 }