ACPI / hotplug: Fix acpi_bus_get_device() return value check

Since acpi_bus_get_device() returns a plain int and not acpi_status,
ACPI_FAILURE() should not be used for checking its return value.  Fix
that.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Toshi Kani <toshi.kani@hp.com>
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 276cde7..4698060 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -411,8 +411,7 @@
 		break;
 	case ACPI_NOTIFY_EJECT_REQUEST:
 		acpi_handle_debug(handle, "ACPI_NOTIFY_EJECT_REQUEST event\n");
-		status = acpi_bus_get_device(handle, &adev);
-		if (ACPI_FAILURE(status))
+		if (acpi_bus_get_device(handle, &adev))
 			goto err_out;
 
 		get_device(&adev->dev);