net/mlx5: Set all field of mlx5_irq before inserting it to the xarray

Currently irq->pool is set after the irq is insert to the xarray.
Set irq->pool before the irq is inserted to the xarray.

Fixes: 71e084e2 ("net/mlx5: Allocating a pool of MSI-X vectors for SFs")
Signed-off-by: NShay Drory <shayd@nvidia.com>
Reviewed-by: NParav Pandit <parav@nvidia.com>
Signed-off-by: NSaeed Mahameed <saeedm@nvidia.com>

drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c

@@ -214,6 +214,7 @@ static struct mlx5_irq *irq_request(struct mlx5_irq_pool *pool, int i)
 		err = -ENOMEM;
 		goto err_cpumask;
 	}
+	irq->pool = pool;
 	kref_init(&irq->kref);
 	irq->index = i;
 	err = xa_err(xa_store(&pool->irqs, irq->index, irq, GFP_KERNEL));
@@ -222,7 +223,6 @@ static struct mlx5_irq *irq_request(struct mlx5_irq_pool *pool, int i)
 			      irq->index, err);
 		goto err_xa;
 	}
-	irq->pool = pool;
 	return irq;
 err_xa:
 	free_cpumask_var(irq->mask);