[ACPI] PNPACPI driver now checks for acpi_register_gsi() errors

Signed-off-by: NKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLen Brown <len.brown@intel.com>

drivers/pnp/pnpacpi/rsparser.c

@@ -81,7 +81,7 @@ pnpacpi_parse_allocated_irqresource(struct pnp_resource_table * res, int irq)
 		i++;
 	if (i < PNP_MAX_IRQ) {
 		res->irq_resource[i].flags = IORESOURCE_IRQ;  //Also clears _UNSET flag
-		if (irq == -1) {
+		if (irq < 0) {
 			res->irq_resource[i].flags |= IORESOURCE_DISABLED;
 			return;
 		}