-# define for_each_irq_desc_reverse(irq, desc) \
- for (irq = nr_irqs -1, desc = irq_desc + (nr_irqs -1 ); \
- irq > 0; irq--, desc--)
+# define for_each_irq_desc_reverse(irq, desc) \
+ for (irq = nr_irqs - 1, desc = irq_desc + (nr_irqs - 1); \
+ irq >= 0; irq--, desc--)