From 75d227643034619909f6c6fba7016bb8ab04b668 Mon Sep 17 00:00:00 2001
From: Mathis Engelbart <mathis.engelbart@gmail.com>
Date: Mon, 28 Jun 2021 11:15:37 +0200
Subject: [PATCH] Return error on SendMessage when session is closed

---
 session.go | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/session.go b/session.go
index 97ed9df6..744cb7bc 100644
--- a/session.go
+++ b/session.go
@@ -1963,8 +1963,7 @@ func (s *session) SendMessage(p []byte) error {
 	}
 	f.Data = make([]byte, len(p))
 	copy(f.Data, p)
-	s.datagramQueue.AddAndWait(f)
-	return nil
+	return s.datagramQueue.AddAndWait(f)
 }
 
 func (s *session) ReceiveMessage() ([]byte, error) {