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

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Date:   Mon,  1 Jun 2020 19:53:04 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Roi Dayan <roid@...lanox.com>,
        Mark Bloch <markb@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>
Subject: [PATCH 5.4 026/142] net/mlx5: Annotate mutex destroy for root ns

From: Roi Dayan <roid@...lanox.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 <roid@...lanox.com>
Reviewed-by: Mark Bloch <markb@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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);
 }