[PATCH 6/6] x86/ioapic: Fix return check of __irq_domain_alloc_irqs

[Thomas Gleixner]

On Sat, Jan 02 2021 at 18:58, Adam Lackorzynski wrote:
> 0 is not a proper IRQ number and also indicates failure.
> Also check for this case in upwards functions.

0 is a valid irq number for historical reasons on x86. So no.

Thanks,

        tglx