From a7db6e4fd4ad84a62995f3ac20ce978bd8809452 Mon Sep 17 00:00:00 2001
From: Andy Green <andy@warmcat.com>
Date: Wed, 4 Apr 2018 10:40:53 +0800
Subject: [PATCH] Coverity 189190: client: deal with NULL piggyback wsi

---
 lib/client/client-handshake.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/client/client-handshake.c b/lib/client/client-handshake.c
index 18b23ddc..c1bfb54a 100644
--- a/lib/client/client-handshake.c
+++ b/lib/client/client-handshake.c
@@ -474,7 +474,8 @@ create_new_conn:
 #endif
 
 send_hs:
-	if (!lws_dll_is_null(&wsi->dll_client_transaction_queue)) {
+	if (wsi_piggy &&
+	    !lws_dll_is_null(&wsi->dll_client_transaction_queue)) {
 		/*
 		 * We are pipelining on an already-established connection...
 		 * we can skip tls establishment.