netdev - [PATCH 1/3] [IPV6]: Do not change protocol for raw IPv6 sockets.

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Message-Id: <1212580148-9885-1-git-send-email-den@openvz.org>
Date:	Wed,  4 Jun 2008 15:49:06 +0400
From:	"Denis V. Lunev" <den@...nvz.org>
To:	yoshfuji@...ux-ipv6.org
Cc:	davem@...emloft.net, netdev@...r.kernel.org, kaber@...sh.net,
	"Denis V. Lunev" <den@...nvz.org>
Subject: [PATCH 1/3] [IPV6]: Do not change protocol for raw IPv6 sockets.

It is not allowed to change underlying protocol for
   int fd = socket(PF_INET6, SOCK_RAW, IPPROTO_UDP);

Signed-off-by: Denis V. Lunev <den@...nvz.org>
---
 net/ipv6/ipv6_sockglue.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 56d55fe..763230e 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -161,6 +161,9 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
 			struct ipv6_txoptions *opt;
 			struct sk_buff *pktopt;
 
+			if (sk->sk_type == SOCK_RAW)
+				break;
+
 			if (sk->sk_protocol != IPPROTO_UDP &&
 			    sk->sk_protocol != IPPROTO_UDPLITE &&
 			    sk->sk_protocol != IPPROTO_TCP)
-- 
1.5.3.rc5

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