genirq: fix off by one and coding style

[linux-2.6-omap-h63xx.git] / include / linux / irqnr.h

diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h
index 3171ddc3b39d1dc4aed7f8bfa2da210addea8c3c..452c280c8115525c2c294bebb3104bd6e06645a9 100644 (file)
--- a/include/linux/irqnr.h
+++ b/include/linux/irqnr.h
@@ -13,9 +13,9 @@ extern int nr_irqs;
 # define for_each_irq_desc(irq, desc)          \
        for (irq = 0, desc = irq_desc; irq < nr_irqs; 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--)
+# define for_each_irq_desc_reverse(irq, desc)                          \
+       for (irq = nr_irqs - 1, desc = irq_desc + (nr_irqs - 1);        \
+            irq >= 0; irq--, desc--)
 #endif
 
 #define for_each_irq_nr(irq)                   \