From fddca26be0d881f3d53c04ab3aa2fe54eef664e0 Mon Sep 17 00:00:00 2001
From: Andy Green <andy@warmcat.com>
Date: Fri, 31 Jan 2020 22:49:28 +0000
Subject: [PATCH] windows: handle pipe destroy when no fd associated with pipe
 wsi

https://github.com/warmcat/libwebsockets/issues/1839
---
 lib/core-net/vhost.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/core-net/vhost.c b/lib/core-net/vhost.c
index 4e90b6b7e..77a07b313 100644
--- a/lib/core-net/vhost.c
+++ b/lib/core-net/vhost.c
@@ -934,7 +934,9 @@ void
 lws_destroy_event_pipe(struct lws *wsi)
 {
 	lwsl_info("%s\n", __func__);
-	__remove_wsi_socket_from_fds(wsi);
+
+	if (lws_socket_is_valid(wsi->desc.sockfd))
+		__remove_wsi_socket_from_fds(wsi);
 
 	if (!wsi->context->event_loop_ops->destroy_wsi &&
 	    wsi->context->event_loop_ops->wsi_logical_close) {