tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
+5
-5
+2
-2
arch/x86/kernel/irq.c
+2
-2
arch/x86/kernel/irq.c
···
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}
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#ifdef CONFIG_X86_32
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-
# define irq_stats(x) (&per_cpu(irq_stat,x))
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+
# define irq_stats(x) (&per_cpu(irq_stat, x))
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#else
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# define irq_stats(x) cpu_pda(x)
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#endif
···
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if (i == 0) {
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seq_printf(p, " ");
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for_each_online_cpu(j)
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-
seq_printf(p, "CPU%-8d",j);
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+
seq_printf(p, "CPU%-8d", j);
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seq_putc(p, '\n');
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}
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+3
-3
include/linux/irqnr.h
+3
-3
include/linux/irqnr.h
···
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# define for_each_irq_desc(irq, desc) \
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for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++)
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-
# define for_each_irq_desc_reverse(irq, desc) \
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-
for (irq = nr_irqs -1, desc = irq_desc + (nr_irqs -1 ); \
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-
irq > 0; irq--, desc--)
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+
# define for_each_irq_desc_reverse(irq, desc) \
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+
for (irq = nr_irqs - 1, desc = irq_desc + (nr_irqs - 1); \
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+
irq >= 0; irq--, desc--)
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#endif
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#define for_each_irq_nr(irq) \