Fix wrong assumption in acpi_gsi_to_irq

The ia64's acpi_gsi_to_irq() function assumes irq = vector. But in fact irq can be different from vector. This patch fix this wrong assumption.

---
 arch/ia64/kernel/acpi.c |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)

Index: linux-2.6.23-rc1/arch/ia64/kernel/acpi.c =================================--- linux-2.6.23-rc1.orig/arch/ia64/kernel/acpi.c +++ linux-2.6.23-rc1/arch/ia64/kernel/acpi.c
@@ -739,16 +739,15 @@ int __init acpi_boot_init(void)

int acpi_gsi_to_irq(u32 gsi, unsigned int *irq)
{
- int vector;
+ int tmp;

if (has_8259 && gsi < 16)
*irq = isa_irq_to_vector(gsi);
else {
- vector = gsi_to_vector(gsi);
- if (vector = -1)
+ tmp = gsi_to_irq(gsi);
+ if (tmp = -1)
return -1;
-
- *irq = vector;
+ *irq = tmp;
}
return 0;
}