[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@openvz.org> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
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@ -161,6 +161,9 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
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struct ipv6_txoptions *opt;
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struct sk_buff *pktopt;
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if (sk->sk_type == SOCK_RAW)
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break;
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if (sk->sk_protocol != IPPROTO_UDP &&
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sk->sk_protocol != IPPROTO_UDPLITE &&
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sk->sk_protocol != IPPROTO_TCP)
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