From 0a132164c2a2f8801612ad1f11fa122b63088324 Mon Sep 17 00:00:00 2001
From: Andy Green <andy@warmcat.com>
Date: Fri, 8 Mar 2024 06:44:20 +0000
Subject: [PATCH] h2: cleanly return if fd is -1 on custom close

---
 .../minimal-http-server-eventlib-custom/minimal-http-server.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/minimal-examples/http-server/minimal-http-server-eventlib-custom/minimal-http-server.c b/minimal-examples/http-server/minimal-http-server-eventlib-custom/minimal-http-server.c
index e969fea2b..693ec1140 100644
--- a/minimal-examples/http-server/minimal-http-server-eventlib-custom/minimal-http-server.c
+++ b/minimal-examples/http-server/minimal-http-server-eventlib-custom/minimal-http-server.c
@@ -244,6 +244,10 @@ wsi_logical_close_custom(struct lws *wsi)
 {
 	struct pt_eventlibs_custom *priv = (struct pt_eventlibs_custom *)
 						lws_evlib_wsi_to_evlib_pt(wsi);
+
+	if (lws_get_socket_fd(wsi) == LWS_SOCK_INVALID)
+	       return 0;
+
 	return custom_poll_del_fd(priv->io_loop, lws_get_socket_fd(wsi));
 }