diff --git a/drivers/firmware/dcdbas.c b/drivers/firmware/dcdbas.c
index aa9bc9e980e1..69ad529d92fb 100644
--- a/drivers/firmware/dcdbas.c
+++ b/drivers/firmware/dcdbas.c
@@ -634,9 +634,6 @@ static void __exit dcdbas_exit(void)
 	 * before platform_device_unregister
 	 */
 	unregister_reboot_notifier(&dcdbas_reboot_nb);
-	smi_data_buf_free();
-	platform_device_unregister(dcdbas_pdev);
-	platform_driver_unregister(&dcdbas_driver);
 
 	/*
 	 * We have to free the buffer here instead of dcdbas_remove
@@ -645,6 +642,8 @@ static void __exit dcdbas_exit(void)
 	 * released.
 	 */
 	smi_data_buf_free();
+	platform_device_unregister(dcdbas_pdev);
+	platform_driver_unregister(&dcdbas_driver);
 }
 
 module_init(dcdbas_init);