[PATCH net 2/6] net/mlx5: Fix QoS reference leak in vport enable error path

[Tariq Toukan <tariqt@nvidia.com>]

From: Carolina Jubran <cjubran@nvidia.com>

Add missing esw_qos_put() call when __esw_qos_alloc_node() fails in
mlx5_esw_qos_vport_enable().

Fixes: be034baba83e ("net/mlx5: Make vport QoS enablement more flexible for future extensions")
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
index 91d863c8c152..79d6add402d7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
@@ -1141,8 +1141,10 @@ static int mlx5_esw_qos_vport_enable(struct mlx5_vport *vport, enum sched_node_t
 
 	parent = parent ?: esw->qos.node0;
 	sched_node = __esw_qos_alloc_node(parent->esw, 0, type, parent);
-	if (!sched_node)
+	if (!sched_node) {
+		esw_qos_put(esw);
 		return -ENOMEM;
+	}
 
 	sched_node->max_rate = max_rate;
 	sched_node->min_rate = min_rate;
-- 
2.31.1