[IPV6]: inet_sk(sk)->cork.opt leak

IPv6 UDP sockets wth IPv4 mapped address use udp_sendmsg to send the data
actually. In this case ip_flush_pending_frames should be called instead
of ip6_flush_pending_frames.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 1b35c4722004..dd309626ae9a 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -534,7 +534,9 @@ static void udp_v6_flush_pending_frames(struct sock *sk)
 {
         struct udp_sock *up = udp_sk(sk);
 
-        if (up->pending) {
+        if (up->pending == AF_INET)
+                udp_flush_pending_frames(sk);
+        else if (up->pending) {
                 up->len = 0;
                 up->pending = 0;
                 ip6_flush_pending_frames(sk);