irq_pool_request_irq(struct mlx5_irq_pool *pool, struct irq_affinity_desc *af_desc)
{
struct irq_affinity_desc auto_desc = {};
+ struct mlx5_irq *irq;
u32 irq_index;
int err;
else
cpu_get(pool, cpumask_first(&af_desc->mask));
}
- return mlx5_irq_alloc(pool, irq_index,
- cpumask_empty(&auto_desc.mask) ? af_desc : &auto_desc,
- NULL);
+ irq = mlx5_irq_alloc(pool, irq_index,
+ cpumask_empty(&auto_desc.mask) ? af_desc : &auto_desc,
+ NULL);
+ if (IS_ERR(irq))
+ xa_erase(&pool->irqs, irq_index);
+ return irq;
}
/* Looking for the IRQ with the smallest refcount that fits req_mask.