From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org, Leon Romanovsky <leonro@nvidia.com>,
Tariq Toukan <tariqt@nvidia.com>, Aya Levin <ayal@nvidia.com>,
Moshe Shemesh <moshe@nvidia.com>,
Saeed Mahameed <saeedm@nvidia.com>
Subject: [net 12/12] net/mlx5: Fix return value from tracer initialization
Date: Mon, 9 Aug 2021 20:59:23 -0700 [thread overview]
Message-ID: <20210810035923.345745-13-saeed@kernel.org> (raw)
In-Reply-To: <20210810035923.345745-1-saeed@kernel.org>
From: Aya Levin <ayal@nvidia.com>
Check return value of mlx5_fw_tracer_start(), set error path and fix
return value of mlx5_fw_tracer_init() accordingly.
Fixes: c71ad41ccb0c ("net/mlx5: FW tracer, events handling")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
.../net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c
index 01a1d02dcf15..3f8a98093f8c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c
@@ -1019,12 +1019,19 @@ int mlx5_fw_tracer_init(struct mlx5_fw_tracer *tracer)
MLX5_NB_INIT(&tracer->nb, fw_tracer_event, DEVICE_TRACER);
mlx5_eq_notifier_register(dev, &tracer->nb);
- mlx5_fw_tracer_start(tracer);
-
+ err = mlx5_fw_tracer_start(tracer);
+ if (err) {
+ mlx5_core_warn(dev, "FWTracer: Failed to start tracer %d\n", err);
+ goto err_notifier_unregister;
+ }
return 0;
+err_notifier_unregister:
+ mlx5_eq_notifier_unregister(dev, &tracer->nb);
+ mlx5_core_destroy_mkey(dev, &tracer->buff.mkey);
err_dealloc_pd:
mlx5_core_dealloc_pd(dev, tracer->buff.pdn);
+ cancel_work_sync(&tracer->read_fw_strings_work);
return err;
}
--
2.31.1
prev parent reply other threads:[~2021-08-10 4:00 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-10 3:59 [pull request][net 00/12] mlx5 fixes 2021-08-09 Saeed Mahameed
2021-08-10 3:59 ` [net 01/12] net/mlx5: Don't skip subfunction cleanup in case of error in module init Saeed Mahameed
2021-08-10 8:53 ` patchwork-bot+netdevbpf
2021-08-10 3:59 ` [net 02/12] net/mlx5: DR, Add fail on error check on decap Saeed Mahameed
2021-08-10 3:59 ` [net 03/12] net/mlx5e: Avoid creating tunnel headers for local route Saeed Mahameed
2021-08-10 3:59 ` [net 04/12] net/mlx5: Bridge, fix ageing time Saeed Mahameed
2021-08-10 3:59 ` [net 05/12] net/mlx5e: Destroy page pool after XDP SQ to fix use-after-free Saeed Mahameed
2021-08-10 3:59 ` [net 06/12] net/mlx5: Block switchdev mode while devlink traps are active Saeed Mahameed
2021-08-10 3:59 ` [net 07/12] net/mlx5: Fix order of functions in mlx5_irq_detach_nb() Saeed Mahameed
2021-08-10 3:59 ` [net 08/12] net/mlx5: Set all field of mlx5_irq before inserting it to the xarray Saeed Mahameed
2021-08-10 3:59 ` [net 09/12] net/mlx5: Destroy pool->mutex Saeed Mahameed
2021-08-10 3:59 ` [net 10/12] net/mlx5e: TC, Fix error handling memory leak Saeed Mahameed
2021-08-10 3:59 ` [net 11/12] net/mlx5: Synchronize correct IRQ when destroying CQ Saeed Mahameed
2021-08-10 3:59 ` Saeed Mahameed [this message]
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