From 17eebfea99bb554741a5732ed3a4472399591c5a Mon Sep 17 00:00:00 2001
From: Vladimir Homutov <vl@nginx.com>
Date: Thu, 15 Apr 2021 12:17:19 +0300
Subject: [PATCH] QUIC: avoid sending extra frames in case of error.

---
 src/event/quic/ngx_event_quic_streams.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/event/quic/ngx_event_quic_streams.c b/src/event/quic/ngx_event_quic_streams.c
index 716550b3d..6739d3d93 100644
--- a/src/event/quic/ngx_event_quic_streams.c
+++ b/src/event/quic/ngx_event_quic_streams.c
@@ -718,6 +718,10 @@ ngx_quic_stream_cleanup_handler(void *data)
         return;
     }
 
+    if (qc->error) {
+        goto done;
+    }
+
     if ((qs->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0
         || (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0)
     {