netdev - [net-next 12/15] net/mlx5: Tolerate failures in debug features while driver load

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Date:   Thu, 30 Sep 2021 16:20:47 -0700
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        Aya Levin <ayal@...dia.com>, Tariq Toukan <tariqt@...dia.com>,
        Saeed Mahameed <saeedm@...dia.com>
Subject: [net-next 12/15] net/mlx5: Tolerate failures in debug features while driver load

From: Aya Levin <ayal@...dia.com>

FW tracer and resource dump are debug features. Although failing to
initialize them may indicate an error, don't let this stop device
loading.

Signed-off-by: Aya Levin <ayal@...dia.com>
Reviewed-by: Tariq Toukan <tariqt@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/main.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 92b08fa07efa..5893fdd5aedb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1112,8 +1112,9 @@ static int mlx5_load(struct mlx5_core_dev *dev)
 
 	err = mlx5_fw_tracer_init(dev->tracer);
 	if (err) {
-		mlx5_core_err(dev, "Failed to init FW tracer\n");
-		goto err_fw_tracer;
+		mlx5_core_err(dev, "Failed to init FW tracer %d\n", err);
+		mlx5_fw_tracer_destroy(dev->tracer);
+		dev->tracer = NULL;
 	}
 
 	mlx5_fw_reset_events_start(dev);
@@ -1121,8 +1122,9 @@ static int mlx5_load(struct mlx5_core_dev *dev)
 
 	err = mlx5_rsc_dump_init(dev);
 	if (err) {
-		mlx5_core_err(dev, "Failed to init Resource dump\n");
-		goto err_rsc_dump;
+		mlx5_core_err(dev, "Failed to init Resource dump %d\n", err);
+		mlx5_rsc_dump_destroy(dev);
+		dev->rsc_dump = NULL;
 	}
 
 	err = mlx5_fpga_device_start(dev);
@@ -1192,11 +1194,9 @@ static int mlx5_load(struct mlx5_core_dev *dev)
 	mlx5_fpga_device_stop(dev);
 err_fpga_start:
 	mlx5_rsc_dump_cleanup(dev);
-err_rsc_dump:
 	mlx5_hv_vhca_cleanup(dev->hv_vhca);
 	mlx5_fw_reset_events_stop(dev);
 	mlx5_fw_tracer_cleanup(dev->tracer);
-err_fw_tracer:
 	mlx5_eq_table_destroy(dev);
 err_eq_table:
 	mlx5_irq_table_destroy(dev);
-- 
2.31.1