From 298c1dfc7b7ad2cfc21afaa83bb6d9d3c6a3be39 Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Sun, 5 Jun 2022 10:12:36 +0900
Subject: [PATCH] ngtcp2: fix assertion failure on EMSGSIZE

Closes #8958
---
 lib/vquic/ngtcp2.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/vquic/ngtcp2.c b/lib/vquic/ngtcp2.c
index d5204ab6af..e8c013e5d8 100644
--- a/lib/vquic/ngtcp2.c
+++ b/lib/vquic/ngtcp2.c
@@ -1918,8 +1918,9 @@ static CURLcode do_sendmsg(size_t *psent, struct Curl_easy *data, int sockfd,
       return CURLE_SEND_ERROR;
     }
   }
-
-  assert(pktlen == (size_t)sent);
+  else {
+    assert(pktlen == (size_t)sent);
+  }
 
   *psent = pktlen;