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authorKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>2008-12-26 12:29:48 +0900
committerIngo Molnar <mingo@elte.hu>2008-12-26 09:48:18 +0100
commit18eefedfe8ad33e8fc7614c13359e29a9fab4644 (patch)
treee0b7c801c27a3933137e7e4056a3bca3c3244744 /include/linux/irqnr.h
parent26ddd8d5cac8a563953d5febe8c6e40909f7bce1 (diff)
downloadlinux-linaro-stable-18eefedfe8ad33e8fc7614c13359e29a9fab4644.tar.gz
irq: simplify for_each_irq_desc() usage
Impact: cleanup all for_each_irq_desc() usage point have !desc check. then its check can move into for_each_irq_desc() macro. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/irqnr.h')
-rw-r--r--include/linux/irqnr.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h
index c4a59c7a478b..5504a5c97836 100644
--- a/include/linux/irqnr.h
+++ b/include/linux/irqnr.h
@@ -22,10 +22,14 @@ extern struct irq_desc *irq_to_desc(unsigned int irq);
# define for_each_irq_desc(irq, desc) \
for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs; \
- irq++, desc = irq_to_desc(irq))
+ irq++, desc = irq_to_desc(irq)) \
+ if (desc)
+
+
# define for_each_irq_desc_reverse(irq, desc) \
for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0; \
- irq--, desc = irq_to_desc(irq))
+ irq--, desc = irq_to_desc(irq)) \
+ if (desc)
#endif /* CONFIG_GENERIC_HARDIRQS */