diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c | 21 |
1 files changed, 16 insertions, 5 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 eb2e57ff08a6..f8144ce7e476 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c @@ -673,6 +673,9 @@ static void mlx5_fw_tracer_handle_traces(struct work_struct *work) if (!tracer->owner) return; + if (unlikely(!tracer->str_db.loaded)) + goto arm; + block_count = tracer->buff.size / TRACER_BLOCK_SIZE_BYTE; start_offset = tracer->buff.consumer_index * TRACER_BLOCK_SIZE_BYTE; @@ -730,6 +733,7 @@ static void mlx5_fw_tracer_handle_traces(struct work_struct *work) &tmp_trace_block[TRACES_PER_BLOCK - 1]); } +arm: mlx5_fw_tracer_arm(dev); } @@ -1005,7 +1009,7 @@ int mlx5_fw_tracer_init(struct mlx5_fw_tracer *tracer) err = mlx5_core_alloc_pd(dev, &tracer->buff.pdn); if (err) { mlx5_core_warn(dev, "FWTracer: Failed to allocate PD %d\n", err); - return err; + goto err_cancel_work; } err = mlx5_fw_tracer_create_mkey(tracer); @@ -1017,12 +1021,20 @@ 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); +err_cancel_work: + cancel_work_sync(&tracer->read_fw_strings_work); return err; } @@ -1076,8 +1088,7 @@ static int fw_tracer_event(struct notifier_block *nb, unsigned long action, void queue_work(tracer->work_queue, &tracer->ownership_change_work); break; case MLX5_TRACER_SUBTYPE_TRACES_AVAILABLE: - if (likely(tracer->str_db.loaded)) - queue_work(tracer->work_queue, &tracer->handle_traces_work); + queue_work(tracer->work_queue, &tracer->handle_traces_work); break; default: mlx5_core_dbg(dev, "FWTracer: Event with unrecognized subtype: sub_type %d\n", |