Re: [PATCH 2/2] irqchip: crossbar: Fix parent domain resource leak

[Thomas Gleixner]

On Wed, Jun 10 2026 at 02:26, Bhargav Joshi wrote:

irqchip/crossbar: ....

> irq_domain_alloc_irqs_parent() is called in allocate_gic_irq() but
> irq_domain_free_irqs_parent() is never called. causing resource leak.

"causing resource leak." is not a a sentence.

> Fix this by calling irq_domain_free_irqs_parent() in
> crossbar_domain_free().
>
> Fixes: 783d31863fb82 ("irqchip: crossbar: Convert dra7 crossbar to stacked domains")
>

No newline.

> Signed-off-by: Bhargav Joshi <j.bhargav.u@xxxxxxxxx>
> ---
>  drivers/irqchip/irq-crossbar.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c
> index 6a4718be0c58..445c925b9c3d 100644
> --- a/drivers/irqchip/irq-crossbar.c
> +++ b/drivers/irqchip/irq-crossbar.c
> @@ -163,6 +163,7 @@ static void crossbar_domain_free(struct irq_domain *domain, unsigned int virq,
>  		irq_domain_reset_irq_data(d);
>  	}
>  	raw_spin_unlock(&cb->lock);
> +	irq_domain_free_irqs_parent(domain, virq, nr_irqs);
>  }
>  
>  static int crossbar_domain_translate(struct irq_domain *d,