Re: [PATCH 00/33] dyn_array and nr_irqs support v4

[H. Peter Anvin]

Yinghai Lu wrote:
> #ifndef CONFIG_HAVE_SPARSE_IRQ
> #define   valid_irq(irq)          ((irq) > 0 && (irq) < nr_irqs)
> #else
> #define   valid_irq(irq)          ((irq) > 0)
>
> anyway why 0 is invalid instead of -1U...?

Because 0 is easier to understand to a user when specifying in a module 
option.

	-hpa
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