diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c
index 871aa52..a153817 100644
--- a/drivers/acpi/container.c
+++ b/drivers/acpi/container.c
@@ -117,7 +117,7 @@
 	acpi_status status = AE_OK;
 	struct acpi_container *pc = NULL;
 
-	pc = (struct acpi_container *)acpi_driver_data(device);
+	pc = acpi_driver_data(device);
 	kfree(pc);
 	return status;
 }