From: Pavel Emelyanov <xemul@openvz.org>
Date: Thu, 18 Oct 2007 15:51:41 +0400

> The new flowlabels should be inserted into the sock list
> under the ip6_sk_fl_lock. This was lost in one place.
> 
> This list is naturally protected with the socket lock, but
> the fl6_sock_lookup() is called without it, so another
> protection is required.
> 
> Signed-off-by: Pavel Emelyanov <xemul@openvz.org>

Applied.