diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index 69596f6..431bd37 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -550,15 +550,12 @@
  */
 int macio_register_driver(struct macio_driver *drv)
 {
-	int count = 0;
-
 	/* initialize common driver fields */
 	drv->driver.name = drv->name;
 	drv->driver.bus = &macio_bus_type;
 
 	/* register with core */
-	count = driver_register(&drv->driver);
-	return count ? count : 1;
+	return driver_register(&drv->driver);
 }
 
 /**