From: David S. Miller <davem@davemloft.net>
Date: Tue, 4 May 2010 06:42:27 +0000 (-0700)
Subject: ipv6: Fix default multicast hops setting.
X-Git-Tag: v2.6.34-rc7~20^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f935aa9e99d6ec74a50871c120e6b21de7256efb;p=platform%2Fkernel%2Flinux-exynos.git

ipv6: Fix default multicast hops setting.

As per RFC 3493 the default multicast hops setting
for a socket should be "1" just like ipv4.

Ironically we have a IPV6_DEFAULT_MCASTHOPS macro
it just wasn't being used.

Reported-by: Elliot Hughes <enh@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 3192aa0..3f9e86b 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -200,7 +200,7 @@ lookup_protocol:
 
 	inet_sk(sk)->pinet6 = np = inet6_sk_generic(sk);
 	np->hop_limit	= -1;
-	np->mcast_hops	= -1;
+	np->mcast_hops	= IPV6_DEFAULT_MCASTHOPS;
 	np->mc_loop	= 1;
 	np->pmtudisc	= IPV6_PMTUDISC_WANT;
 	np->ipv6only	= net->ipv6.sysctl.bindv6only;