regex/mlx5: fix leak after probing failure

In RegEx device probing, there is register read trying after context
device creation.

When the reading fails, the context device was not freed what caused a
memory leak.

Free it.

Fixes: f324162e8e77 ("regex/mlx5: support combined rule file")
Cc: stable@dpdk.org
Signed-off-by: Michael Baum <michaelba@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
Acked-by: Ori Kam <orika@nvidia.com>

diff --git a/drivers/regex/mlx5/mlx5_regex.c b/drivers/regex/mlx5/mlx5_regex.c
index f17b6df..8866a4d 100644 (file)
--- a/drivers/regex/mlx5/mlx5_regex.c
+++ b/drivers/regex/mlx5/mlx5_regex.c
@@ -171,7 +171,7 @@ mlx5_regex_dev_probe(struct rte_device *rte_dev)
                                            MLX5_RXP_CSR_IDENTIFIER, &val);
        if (ret) {
                DRV_LOG(ERR, "CSR read failed!");
-               return -1;
+               goto dev_error;
        }
        if (val == MLX5_RXP_BF2_IDENTIFIER)
                priv->is_bf2 = 1;