From da38a17a31ee3e3bd5169b4734d1680c8aca12f9 Mon Sep 17 00:00:00 2001
From: Andy Green <andy@warmcat.com>
Date: Mon, 19 Mar 2018 07:59:42 +0800
Subject: [PATCH] coverity 188321: reject wsi with NULL vhost earlier

---
 lib/server/server.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/server/server.c b/lib/server/server.c
index ade2e06e..616ac737 100644
--- a/lib/server/server.c
+++ b/lib/server/server.c
@@ -383,7 +383,10 @@ lws_http_serve(struct lws *wsi, char *uri, const char *origin,
 	int n;
 
 	wsi->handling_404 = 0;
-	if (wsi->vhost && wsi->vhost->error_document_404 &&
+	if (!wsi->vhost)
+		return -1;
+
+	if (wsi->vhost->error_document_404 &&
 	    !strcmp(uri, wsi->vhost->error_document_404))
 		wsi->handling_404 = 1;