linux-kernel - Re: [PATCH][next] netfilter: xt_hashlimit: use struct

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Date:   Mon, 6 May 2019 01:02:35 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc:     Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
        Florian Westphal <fw@...len.de>,
        "David S. Miller" <davem@...emloft.net>,
        netfilter-devel@...r.kernel.org, coreteam@...filter.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] netfilter: xt_hashlimit: use struct_size() helper

On Wed, May 01, 2019 at 05:01:08PM -0500, Gustavo A. R. Silva wrote:
> Make use of the struct_size() helper instead of an open-coded version
> in order to avoid any potential type mistakes, in particular in the
> context in which this code is being used.
> 
> So, replace code of the following form:
> 
> sizeof(struct xt_hashlimit_htable) + sizeof(struct hlist_head) * size
> 
> with:
> 
> struct_size(hinfo, hash, size)
> 
> This code was detected with the help of Coccinelle.

Applied, thanks.