From 613ae7921a26461af1122c7b9a1af7c518d009bc Mon Sep 17 00:00:00 2001
From: Andy Green <andy@warmcat.com>
Date: Mon, 19 Mar 2018 07:57:13 +0800
Subject: [PATCH] coverity 188314: reject wsi with NULL vhost earlier

---
 lib/header.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/header.c b/lib/header.c
index 5022f26a..c9f3af3e 100644
--- a/lib/header.c
+++ b/lib/header.c
@@ -233,8 +233,12 @@ lws_return_http_status(struct lws *wsi, unsigned int code,
 	int n = 0, m = 0, len;
 	char slen[20];
 
-	if (wsi->vhost &&
-	    !wsi->handling_404 &&
+	if (!wsi->vhost) {
+		lwsl_err("%s: wsi not bound to vhost\n", __func__);
+
+		return 1;
+	}
+	if (!wsi->handling_404 &&
 	    wsi->vhost->error_document_404 &&
 	    code == HTTP_STATUS_NOT_FOUND)
 		/* we should do a redirect, and do the 404 there */