net/mlx5: fix leak on Tx queue creation failure

In Tx queue creation, there are two validations for the Tx
configuration.

When one of them fails, the MR btree memory was not freed what caused a
memory leak.

Free it.

Fixes: f6d9ab4e769f ("net/mlx5: check Tx queue size overflow")
Cc: stable@dpdk.org
Signed-off-by: Michael Baum <michaelba@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>

diff --git a/drivers/net/mlx5/mlx5_txq.c b/drivers/net/mlx5/mlx5_txq.c
index d96abef8835146b8863bd093ea3699400ec06e7b..b81bb4a12dd3c54d8eccb6457330c9d15420f0da 100644 (file)
--- a/drivers/net/mlx5/mlx5_txq.c
+++ b/drivers/net/mlx5/mlx5_txq.c
@@ -1146,6 +1146,7 @@ mlx5_txq_new(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
        LIST_INSERT_HEAD(&priv->txqsctrl, tmpl, next);
        return tmpl;
 error:
+       mlx5_mr_btree_free(&tmpl->txq.mr_ctrl.cache_bh);
        mlx5_free(tmpl);
        return NULL;
 }