diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index d5553b8179f9..61880cc90e86 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -445,7 +445,7 @@ EXPORT_SYMBOL_GPL(xprt_wake_pending_tasks);
 /**
  * xprt_wait_for_buffer_space - wait for transport output buffer to clear
  * @task: task to be put to sleep
- *
+ * @action: function pointer to be executed after wait
  */
 void xprt_wait_for_buffer_space(struct rpc_task *task)
 {