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| author | Ingo Molnar <mingo@elte.hu> | 2008-10-21 17:49:59 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-21 17:54:40 +0400 |
| commit | e9f95e637320efe1936b647308ddf4ec5b8e0311 (patch) | |
| tree | 0b192bfac0d0a8e696c039c067a20c0126fae641 /include/linux/irqnr.h | |
| parent | 0b3682ba33c59a362901b478bdab965da888b350 (diff) | |
| download | linux-e9f95e637320efe1936b647308ddf4ec5b8e0311.tar.xz | |
genirq: fix off by one and coding style
Fix off-by-one in for_each_irq_desc_reverse().
Impact is near zero in practice, because nothing substantial wants to
iterate down to IRQ#0 - but fix it nevertheless.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/irqnr.h')
| -rw-r--r-- | include/linux/irqnr.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h index 3171ddc3b39d..452c280c8115 100644 --- 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) \ |