diff --git a/drivers/base/transport_class.c b/drivers/base/transport_class.c
index 84997ef..f6c453c 100644
--- a/drivers/base/transport_class.c
+++ b/drivers/base/transport_class.c
@@ -27,6 +27,7 @@
  * transport class is framed entirely in terms of generic devices to
  * allow it to be used by any physical HBA in the system.
  */
+#include <linux/export.h>
 #include <linux/attribute_container.h>
 #include <linux/transport_class.h>