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Date:   Wed, 20 Feb 2019 10:13:34 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Jason Gunthorpe <jgg@...pe.ca>
CC:     <peterhuewe@....de>, <arnd@...db.de>, <gregkh@...uxfoundation.org>,
        <linux-kernel@...r.kernel.org>, <linux-integrity@...r.kernel.org>
Subject: Re: [PATCH -next] tpm: change the return type of calc_tpm2_event_size
 to size_t

On 2019/2/20 1:31, Jarkko Sakkinen wrote:
> On Tue, Feb 19, 2019 at 09:34:56AM -0700, Jason Gunthorpe wrote:
>>> - Your real name is formatted incorrectly. It should be like "Yue Haibig"
>>>   as shown in [1].
>>> - If there is no actual regression, this change is useless.
>>
>> Clarity of the code is a laudible goal - not everything is about
>> fixing bugs or adding features.
>>
>> It is much easier to write the code properly than to try and prove
>> that event_size can not exceed INT_MAX.
> 
> I think it is actually a regression in 4d23cc323cdb.  Should carry a
> fixes tag. I did not quite undersand what commit message was saying.
> What it should would just
> 
> """
> tpm: Fix the type of the return value in calc_tpm2_event_size()
> 
> calc_tpm2_event_size() has an invalid signature because it returns a 'size_t'
> where as its signature says that it returns 'int'.
> """
> 
> Should be also Cc'd to linux-security-module and have cc to stable.

Ok, I will fix it in v2.

> 
> /Jarkko
> 
> .
> 

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