net/mlx5: fix leak on Rx queue creation failure

In Rx queue creation, there are some validations for the Rx
configuration.

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

Free it.

Fixes: 974f1e7ef146 ("net/mlx5: add new memory region support")
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_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index df08f97..787b2b7 100644 (file)
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -1620,6 +1620,7 @@ mlx5_rxq_new(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
        LIST_INSERT_HEAD(&priv->rxqsctrl, tmpl, next);
        return tmpl;
 error:
+       mlx5_mr_btree_free(&tmpl->rxq.mr_ctrl.cache_bh);
        mlx5_free(tmpl);
        return NULL;
 }