From 3775ac9d2e0ae4127fb1d1fc57b4ba4b7576fe03 Mon Sep 17 00:00:00 2001
From: Andy Green <andy@warmcat.com>
Date: Mon, 19 Mar 2018 07:55:01 +0800
Subject: [PATCH] coverity 169270: client: handle NULL protocol

---
 lib/client/client.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/client/client.c b/lib/client/client.c
index 29e89e2b..04c9201b 100644
--- a/lib/client/client.c
+++ b/lib/client/client.c
@@ -876,7 +876,7 @@ lws_client_interpret_server_handshake(struct lws *wsi)
 
 		n = 0;
 		while (wsi->vhost->protocols[n].callback) {
-			if (strcmp(wsi->protocol->name,
+			if (wsi->protocol && strcmp(wsi->protocol->name,
 				   wsi->vhost->protocols[n].name) == 0) {
 				wsi->protocol = &wsi->vhost->protocols[n];
 				break;
@@ -885,7 +885,10 @@ lws_client_interpret_server_handshake(struct lws *wsi)
 		}
 
 		if (!wsi->vhost->protocols[n].callback) {
-			lwsl_err("Failed to match protocol %s\n", wsi->protocol->name);
+			if (wsi->protocol)
+				lwsl_err("Failed to match protocol %s\n", wsi->protocol->name);
+			else
+				lwsl_err("No protocol on client\n");
 			goto bail2;
 		}
 	}