> On Dec 8, 2016, at 6:12 PM, Peng Tao <bergw...@gmail.com> wrote:
> 
> Otherwise we'll leave the packets queued until releasing vsock device.
> E.g., if guest is slow to start up, resulting ETIMEDOUT on connect, guest
> will get the connect requests from failed host sockets.
> 
> Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
> Signed-off-by: Peng Tao <bergw...@gmail.com>
> ---
> net/vmw_vsock/af_vsock.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
> 
> diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
> index 8a398b3..c73b03a 100644
> --- a/net/vmw_vsock/af_vsock.c
> +++ b/net/vmw_vsock/af_vsock.c
> @@ -1101,10 +1101,19 @@ static const struct proto_ops vsock_dgram_ops = {
>       .sendpage = sock_no_sendpage,
> };
> 
> +static int vsock_transport_cancel_pkt(struct vsock_sock *vsk)
> +{
> +     if (!transport->cancel_pkt)
> +             return -EOPNOTSUPP;
> +
> +     return transport->cancel_pkt(vsk);
> +}
> +
> static void vsock_connect_timeout(struct work_struct *work)
> {
>       struct sock *sk;
>       struct vsock_sock *vsk;
> +     int cancel = 0;
> 
>       vsk = container_of(work, struct vsock_sock, dwork.work);
>       sk = sk_vsock(vsk);
> @@ -1115,8 +1124,11 @@ static void vsock_connect_timeout(struct work_struct 
> *work)
>               sk->sk_state = SS_UNCONNECTED;
>               sk->sk_err = ETIMEDOUT;
>               sk->sk_error_report(sk);
> +             cancel = 1;
>       }
>       release_sock(sk);
> +     if (cancel)
> +             vsock_transport_cancel_pkt(vsk);
> 
>       sock_put(sk);
> }
> @@ -1223,11 +1235,13 @@ static int vsock_stream_connect(struct socket *sock, 
> struct sockaddr *addr,
>                       err = sock_intr_errno(timeout);
>                       sk->sk_state = SS_UNCONNECTED;
>                       sock->state = SS_UNCONNECTED;
> +                     vsock_transport_cancel_pkt(vsk);
>                       goto out_wait;
>               } else if (timeout == 0) {
>                       err = -ETIMEDOUT;
>                       sk->sk_state = SS_UNCONNECTED;
>                       sock->state = SS_UNCONNECTED;
> +                     vsock_transport_cancel_pkt(vsk);
>                       goto out_wait;
>               }
> 
> -- 
> 2.7.4
> 

This looks fine to me:

Reviewed-by: Jorgen Hansen <jhan...@vmware.com>

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