linux-kernel - Re: [PATCH v2] staging: greybus: power_supply: use struct

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Message-ID: <20190418062750.GA28269@localhost>
Date:   Thu, 18 Apr 2019 08:27:50 +0200
From:   Johan Hovold <johan@...nel.org>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc:     Rui Miguel Silva <rmfrfs@...il.com>,
        Johan Hovold <johan@...nel.org>, Alex Elder <elder@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        greybus-dev@...ts.linaro.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] staging: greybus: power_supply: use struct_size()
 helper

On Wed, Apr 17, 2019 at 01:44:40PM -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(*resp) + props_count * sizeof(struct gb_power_supply_props_desc)
> 
> with:
> 
> struct_size(resp, props, props_count)
> 
> This code was detected with the help of Coccinelle.
> 
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
> ---
> Changes in v2:
>  - Rebase on top of 47830c1127ef ("staging: greybus: power_supply: fix prop-descriptor request size")

Thanks for rebasing.

Reviewed-by: Johan Hovold <johan@...nel.org>

Johan