From 3483e85f6bdeaacb24c9170c0ee0851eeb32f0f6 Mon Sep 17 00:00:00 2001
From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Mon, 2 Jul 2007 15:47:52 +0000
Subject: [PATCH] ping: fix non-fancy ping6

---
 networking/ping.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/networking/ping.c b/networking/ping.c
index 6945abb4a..127474ccc 100644
--- a/networking/ping.c
+++ b/networking/ping.c
@@ -179,7 +179,8 @@ int ping_main(int argc, char **argv)
 	len_and_sockaddr *lsa;
 #if ENABLE_PING6
 	sa_family_t af = AF_UNSPEC;
-	while (++argv[0][0] == '-') {
+
+	while ((++argv)[0] && argv[0][0] == '-') {
 		if (argv[0][1] == '4') {
 			af = AF_INET;
 			continue;
-- 
2.25.1