diff --git a/scst/src/scst_main.c b/scst/src/scst_main.c
index 25531b983..36626d891 100644
--- a/scst/src/scst_main.c
+++ b/scst/src/scst_main.c
@@ -1049,14 +1049,16 @@ int __scst_register_dev_driver(struct scst_dev_type *dev_type,
 			"supported. Consider applying on your kernel patch "
 			"scst_exec_req_fifo-<kernel-version> or define "
 			"CONFIG_SCST_STRICT_SERIALIZING", dev_type->name);
+		res = -EINVAL;
+		goto out_error;
 #endif /* !defined(CONFIG_SCST_STRICT_SERIALIZING) */
 #else  /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 30) */
 		PRINT_ERROR("Pass-through dev handlers (handler \"%s\") not "
 			"supported. Consider applying on your kernel patch "
 			"scst_exec_req_fifo-<kernel-version>", dev_type->name);
-#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 30) */
 		res = -EINVAL;
 		goto out_error;
+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 30) */
 	}
 #endif /* !defined(SCSI_EXEC_REQ_FIFO_DEFINED) */