From 0fd63763f60ed63cae43777314787c060f71fa88 Mon Sep 17 00:00:00 2001
From: Andy Green <andy.green@linaro.org>
Date: Sun, 6 Dec 2015 11:07:41 +0800
Subject: [PATCH] coverity 155650 medium possible write to null pointer

Signed-off-by: Andy Green <andy.green@linaro.org>
---
 lib/libwebsockets.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/libwebsockets.c b/lib/libwebsockets.c
index a365cbc2..16b50273 100644
--- a/lib/libwebsockets.c
+++ b/lib/libwebsockets.c
@@ -316,7 +316,8 @@ lws_get_addresses(struct lws_context *context, void *ads, char *name,
 	struct addrinfo ai, *res;
 	struct sockaddr_in addr4;
 
-	rip[0] = '\0';
+	if (rip)
+		rip[0] = '\0';
 	name[0] = '\0';
 	addr4.sin_family = AF_UNSPEC;