From fbbd53914371524f4470ed4ac50000fd43225987 Mon Sep 17 00:00:00 2001
From: Falk Werner <falk.werner@gmx.net>
Date: Thu, 18 Apr 2019 20:30:18 +0200
Subject: [PATCH] fixes invalid read if www is not specified

---
 lib/webfuse/adapter/impl/server_protocol.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/webfuse/adapter/impl/server_protocol.c b/lib/webfuse/adapter/impl/server_protocol.c
index 27a6fd8..fa5c837 100644
--- a/lib/webfuse/adapter/impl/server_protocol.c
+++ b/lib/webfuse/adapter/impl/server_protocol.c
@@ -18,6 +18,11 @@ static int wf_impl_server_protocol_callback(
 	size_t len)
 {
     struct lws_protocols const * ws_protocol = lws_get_protocol(wsi);
+    if (NULL == ws_protocol)
+    {
+        return 0;
+    }
+
     struct wf_server_protocol * protocol = ws_protocol->user;
 
     wf_impl_timeout_manager_check(&protocol->timeout_manager);