netdev - Re: [PATCH v2 nf-next 3/6] netfilter: bridge: use skb->cb to track otherhost mangling

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Message-ID: <20150312183503.GB12169@breakpoint.cc>
Date:	Thu, 12 Mar 2015 19:35:03 +0100
From:	Florian Westphal <fw@...len.de>
To:	Florian Westphal <fw@...len.de>
Cc:	Oliver Hartkopp <socketcan@...tkopp.net>,
	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org,
	Eyal Birger <eyal.birger@...il.com>
Subject: Re: [PATCH v2 nf-next 3/6] netfilter: bridge: use skb->cb to track
 otherhost mangling

Florian Westphal <fw@...len.de> wrote:
> > > +	BUILD_BUG_ON(sizeof(struct nf_bridge_skb_cb) > FIELD_SIZEOF(struct sk_buff, cb));
> > > +
> > 
> > Please use sock_skb_cb_check_size(size) for cb size checking which is the
> > 'new' check for cb sizes for netdev.
> 
> I can do this for conistency, but its technically not needed here.

I take that back, it would actually be inconsistent to use
sock_skb_cb_check_size since nf_bridge skbs will not be associated with
sockets.
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