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>

diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index 0cbff18efb6dfe136352ff4a2e806a7424a766f6..cc0f7321b8cede4192a4ceb9ffc97311ec9cc7d0 100644 (file)
--- 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;