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| author | Ingo Molnar <mingo@elte.hu> | 2008-10-21 15:49:59 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-21 15:54:40 +0200 |
| commit | e9f95e637320efe1936b647308ddf4ec5b8e0311 (patch) | |
| tree | 0b192bfac0d0a8e696c039c067a20c0126fae641 | |
| parent | 0b3682ba33c59a362901b478bdab965da888b350 (diff) | |
| download | linux-stable-e9f95e637320efe1936b647308ddf4ec5b8e0311.tar.gz linux-stable-e9f95e637320efe1936b647308ddf4ec5b8e0311.tar.bz2 linux-stable-e9f95e637320efe1936b647308ddf4ec5b8e0311.zip | |
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>
| -rw-r--r-- | arch/x86/kernel/irq.c | 4 | ||||
| -rw-r--r-- | include/linux/irqnr.h | 6 |
2 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index ccf6c503fc3b..d1d4dc52f649 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -36,7 +36,7 @@ void ack_bad_irq(unsigned int irq) } #ifdef CONFIG_X86_32 -# define irq_stats(x) (&per_cpu(irq_stat,x)) +# define irq_stats(x) (&per_cpu(irq_stat, x)) #else # define irq_stats(x) cpu_pda(x) #endif @@ -113,7 +113,7 @@ int show_interrupts(struct seq_file *p, void *v) if (i == 0) { seq_printf(p, " "); for_each_online_cpu(j) - seq_printf(p, "CPU%-8d",j); + seq_printf(p, "CPU%-8d", j); seq_putc(p, '\n'); } 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) \ |