From ac29648413d1a33126ad1f98714717cbee452e55 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Wed, 4 Apr 2012 18:04:44 +0200
Subject: [PATCH] net: ping: do not retry endlessly

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 net/ping.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/net/ping.c b/net/ping.c
index 4aa10f896..bc6cf2e95 100644
--- a/net/ping.c
+++ b/net/ping.c
@@ -56,6 +56,7 @@ static int do_ping(int argc, char *argv[])
 {
 	int ret;
 	uint64_t ping_start;
+	unsigned retries = 0;
 
 	if (argc < 2)
 		return COMMAND_ERROR_USAGE;
@@ -94,6 +95,12 @@ static int do_ping(int argc, char *argv[])
 			ret = ping_send();
 			if (ret)
 				goto out_unreg;
+			retries++;
+		}
+
+		if (retries > PKT_NUM_RETRIES) {
+			ret = -ETIMEDOUT;
+			goto out_unreg;
 		}
 	}