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[IPV6]: Do not change protocol for UDPv6 sockets with pending sent data. 

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
This commit is contained in:
Denis V. Lunev 2008-06-04 15:49:08 +04:00 committed by YOSHIFUJI Hideaki
parent 36d926b94a
commit 9596cc826e
1 changed files with 8 additions and 3 deletions
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11
net/ipv6/ipv6_sockglue.c
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@ -164,9 +164,14 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
if (sk->sk_type == SOCK_RAW)
break;
if (sk->sk_protocol != IPPROTO_UDP &&
sk->sk_protocol != IPPROTO_UDPLITE &&
sk->sk_protocol != IPPROTO_TCP)
if (sk->sk_protocol == IPPROTO_UDP ||
sk->sk_protocol == IPPROTO_UDPLITE) {
struct udp_sock *up = udp_sk(sk);
if (up->pending == AF_INET6) {
retv = -EBUSY;
break;
}
} else if (sk->sk_protocol != IPPROTO_TCP)
break;
if (sk->sk_state != TCP_ESTABLISHED) {