From: Pavel Emelyanov <xemul@openvz.org>
Date: Tue, 16 Oct 2007 17:53:03 +0400

> This routine checks for the existence of a given entry
> in the hash table and inserts the new one if needed.
> 
> The ->equal callback is used to compare two frag_queue-s
> together, but this one is temporary and will be removed
> later. The netfilter code and the ipv6 one use the same
> routine to compare frags.
> 
> The inet_frag_intern() always returns non-NULL pointer,
> so convert the inet_frag_queue into protocol specific
> one (with the container_of) without any checks.
> 
> Signed-off-by: Pavel Emelyanov <xemul@openvz.org>

Applied.