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net/mlx5: Fix wrong comment

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A control irq may be allocated from the parent device's pool in case
there is no SF dedicated pool. This could happen when there are not
enough vectors available for SFs.

Signed-off-by: Eli Cohen <elic@nvidia.com>
Reviewed-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
This commit is contained in:
Eli Cohen 2022-12-28 15:51:29 +02:00 committed by Saeed Mahameed
parent b94616d9c6
commit 40a252c123
1 changed files with 3 additions and 1 deletions
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4
drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
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@ -394,7 +394,9 @@ struct mlx5_irq *mlx5_ctrl_irq_request(struct mlx5_core_dev *dev)
return ERR_PTR(-ENOMEM);
cpumask_copy(req_mask, cpu_online_mask);
if (!mlx5_irq_pool_is_sf_pool(pool)) {
/* In case we are allocating a control IRQ for PF/VF */
/* In case we are allocating a control IRQ from a pci device's pool.
* This can happen also for a SF if the SFs pool is empty.
*/
if (!pool->xa_num_irqs.max) {
cpumask_clear(req_mask);
/* In case we only have a single IRQ for PF/VF */