net/mlx5: fix resource leak in case of error

If something went wrong in mlx5_pci_prob the allocated eth dev
will cause a memory leak.

This commit release the eth dev that was previously allocated.

Fixes: 771fa900b73a ("mlx5: introduce new driver for Mellanox ConnectX-4 adapters")
Cc: stable@dpdk.org
Signed-off-by: Raslan Darawsheh <rasland@mellanox.com>
Acked-by: Yongseok Koh <yskoh@mellanox.com>

diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index 05d4f02..fcb14fe 100644 (file)
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -1063,6 +1063,8 @@ port_error:
                        claim_zero(mlx5_glue->dealloc_pd(pd));
                if (ctx)
                        claim_zero(mlx5_glue->close_device(ctx));
+               if (eth_dev && rte_eal_process_type() == RTE_PROC_PRIMARY)
+                       rte_eth_dev_release_port(eth_dev);
                break;
        }
        /*