diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index b6e0f95bef3645659bf782adae8885c32670dde7..e7ec6d3ad5f0b958b4d868cbfa5b912f18297025 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -4399,6 +4399,7 @@ EXPORT_SYMBOL_GPL(skb_gso_transport_seglen);
  * skb_gso_validate_mtu - Return in case such skb fits a given MTU
  *
  * @skb: GSO skb
+ * @mtu: MTU to validate against
  *
  * skb_gso_validate_mtu validates if a given skb will fit a wanted MTU
  * once split.