greybus: svc_msg.h: add data for hotplug message

diff --git a/drivers/staging/greybus/svc_msg.h b/drivers/staging/greybus/svc_msg.h
index e84e01c..c290547 100644 (file)
--- a/drivers/staging/greybus/svc_msg.h
+++ b/drivers/staging/greybus/svc_msg.h
@@ -77,6 +77,7 @@ enum svc_function_hotplug_event {
 struct svc_function_hotplug {
        __u8    hotplug_event;  /* enum svc_function_hotplug_event */
        __u8    module_id;
+       __u8    data[0];
 };
 
 enum svc_function_ddb_type {