From 63d659d556f145d33798b8ad19ced10c254fe445 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 16 Oct 2008 15:33:18 +0200
Subject: 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: Thomas Gleixner <tglx@linutronix.de>
---
kernel/irq/autoprobe.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index 0cbff18efb6d..cc0f7321b8ce 100644
--- a/kernel/irq/autoprobe.c
+++ b/kernel/irq/autoprobe.c
@@ -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;
--
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