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

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Message-ID: <71ac80a9-6b1e-f652-392e-5e9fe82d9e82@embeddedor.com>
Date:   Thu, 18 Apr 2019 09:26:09 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Johan Hovold <johan@...nel.org>
Cc:     Rui Miguel Silva <rmfrfs@...il.com>, 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 4/18/19 1:27 AM, Johan Hovold wrote:
> 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.
> 

Glad to help. :)

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

Thanks
--
Gustavo