diff --git a/drivers/infiniband/sw/rdmavt/mad.c b/drivers/infiniband/sw/rdmavt/mad.c
index 108c71e3ac23..8cc4de9aa664 100644
--- a/drivers/infiniband/sw/rdmavt/mad.c
+++ b/drivers/infiniband/sw/rdmavt/mad.c
@@ -56,8 +56,11 @@
  * @port_num: the port number this packet came in on, 1 based from ib core
  * @in_wc: the work completion entry for this packet
  * @in_grh: the global route header for this packet
- * @in_mad: the incoming MAD
- * @out_mad: any outgoing MAD reply
+ * @in: the incoming MAD
+ * @out_mad_size: size of the incoming MAD reply
+ * @out: any outgoing MAD reply
+ * @out_mad_size: size of the outgoing MAD reply
+ * @out_mad_pkey_index: unused
  *
  * Note that the verbs framework has already done the MAD sanity checks,
  * and hop count/pointer updating for IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE