diff options
| author | Denis V. Lunev <den@openvz.org> | 2008-06-04 13:49:08 +0200 |
|---|---|---|
| committer | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2008-06-04 21:02:38 +0200 |
| commit | 9596cc826e2e52bfc318ca37a6c52fe3d72990a3 (patch) | |
| tree | b534c55ef8f13182d3627b73ac52d432bebf8016 /net/ipv6/ipv6_sockglue.c | |
| parent | [IPV6]: inet_sk(sk)->cork.opt leak (diff) | |
| download | linux-9596cc826e2e52bfc318ca37a6c52fe3d72990a3.tar.xz linux-9596cc826e2e52bfc318ca37a6c52fe3d72990a3.zip | |
[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>
Diffstat (limited to 'net/ipv6/ipv6_sockglue.c')
| -rw-r--r-- | net/ipv6/ipv6_sockglue.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 1afe210d6286..26b83e512a09 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -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) { |