netdev - Re: [PATCH net-next] net: sched: cls_u32: use struct

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Message-Id: <20190504.004700.1643902028919203643.davem@davemloft.net>
Date:   Sat, 04 May 2019 00:47:00 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     gustavo@...eddedor.com
Cc:     jhs@...atatu.com, xiyou.wangcong@...il.com, jiri@...nulli.us,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] net: sched: cls_u32: use struct_size() helper

From: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Date: Wed, 1 May 2019 11:23:15 -0500

> 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(*s) + s->nkeys*sizeof(struct tc_u32_key)
> 
> with:
> 
> struct_size(s, keys, s->nkeys)
> 
> This code was detected with the help of Coccinelle.
> 
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>

Applied.