diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 8ffcc97..ae8f0db 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -26,10 +26,12 @@
 }
 
 /**
- * skb_flow_get_ports - extract the upper layer ports and return them
- * @skb: buffer to extract the ports from
+ * __skb_flow_get_ports - extract the upper layer ports and return them
+ * @skb: sk_buff to extract the ports from
  * @thoff: transport header offset
  * @ip_proto: protocol for which to get port offset
+ * @data: raw buffer pointer to the packet, if NULL use skb->data
+ * @hlen: packet header length, if @data is NULL use skb_headlen(skb)
  *
  * The function will try to retrieve the ports at offset thoff + poff where poff
  * is the protocol port offset returned from proto_ports_offset