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Commit 63d659d5 authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Ingo Molnar
Browse files

genirq: fix name space collision of nr_irqs in autoprobe.c 



probe_irq_off() is disfunctional as the local nr_irqs is referenced
instead of the global one for the for_each_irq_desc() iterator.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 10e58084

kernel/irq/autoprobe.c

+4 −4
Original line number Diff line number Diff line
@@ -161,7 +161,7 @@ EXPORT_SYMBOL(probe_irq_mask); 
 */

int probe_irq_off(unsigned long val)

{

	int i, irq_found = 0, nr_irqs = 0;

	int i, irq_found = 0, nr_of_irqs = 0;

	struct irq_desc *desc;

	unsigned int status;
@@ -171,9 +171,9 @@ int probe_irq_off(unsigned long val) 


		if (status & IRQ_AUTODETECT) {

			if (!(status & IRQ_WAITING)) {

				if (!nr_irqs)

				if (!nr_of_irqs)

					irq_found = i;

				nr_irqs++;

				nr_of_irqs++;

			}

			desc->status = status & ~IRQ_AUTODETECT;

			desc->chip->shutdown(i);
@@ -182,7 +182,7 @@ int probe_irq_off(unsigned long val) 
	}

	mutex_unlock(&probing_active);



	if (nr_irqs > 1)

	if (nr_of_irqs > 1)

		irq_found = -irq_found;



	return irq_found;