From 4f5b0080caa721bc1841b7769a9e78745dbf8049 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@nuts.ninka.net>
Date: Wed, 23 Oct 2002 12:04:13 -0700
Subject: [PATCH] [IPV4]: When advmss of route is zero, report it as zero not
 40.

---
 net/ipv4/route.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 4b3b1aba12e5..f43413dabdbb 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -248,7 +248,8 @@ static int rt_cache_get_info(char *buffer, char **start, off_t offset,
 				r->u.dst.__use,
 				0,
 				(unsigned long)r->rt_src,
-				(int)r->u.dst.advmss + 40,
+				(r->u.dst.advmss ?
+				 (int) r->u.dst.advmss + 40 : 0),
 				r->u.dst.window,
 				(int)((r->u.dst.rtt >> 3) + r->u.dst.rttvar),
 				r->fl.fl4_tos,
-- 
2.30.9