From ac06643f7166b7a131643b4784b818a0bbf044c6 Mon Sep 17 00:00:00 2001
From: Stefan Eissing <stefan@eissing.org>
Date: Fri, 2 Jan 2026 13:14:12 +0100
Subject: [PATCH] pytest: test 03_02 stabilize (curl_ngtcp2)

The special handling for draining server connections during a connect
attempt was only done on CURLE_RECV_ERROR. But it may also happen when
ngtcp2 errors on writing data. Check for CURLE_SEND_ERROR also.

Ref: #20112
Closes #20162
---
 lib/vquic/curl_ngtcp2.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/vquic/curl_ngtcp2.c b/lib/vquic/curl_ngtcp2.c
index e80ece0f9c..ff455e52c5 100644
--- a/lib/vquic/curl_ngtcp2.c
+++ b/lib/vquic/curl_ngtcp2.c
@@ -2694,7 +2694,8 @@ static CURLcode cf_ngtcp2_connect(struct Curl_cfilter *cf,
   }
 
 out:
-  if(result == CURLE_RECV_ERROR && ctx->qconn &&
+  if(ctx->qconn &&
+     ((result == CURLE_RECV_ERROR) || (result == CURLE_SEND_ERROR)) &&
      ngtcp2_conn_in_draining_period(ctx->qconn)) {
     const ngtcp2_ccerr *cerr = ngtcp2_conn_get_ccerr(ctx->qconn);