linux-kernel - Re: [PATCH] net: prestera: acl: Add check for kmemdup

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Message-ID: <e9a52823ea98a0e4a23c38e83d7872faed8c1d6c.camel@perches.com>
Date:   Fri, 30 Sep 2022 08:20:47 -0700
From:   Joe Perches <joe@...ches.com>
To:     Jakub Kicinski <kuba@...nel.org>,
        Jiasheng Jiang <jiasheng@...as.ac.cn>
Cc:     pabeni@...hat.com, davem@...emloft.net, tchornyi@...vell.com,
        edumazet@...gle.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Volodymyr Mytnyk <vmytnyk@...vell.com>
Subject: Re: [PATCH] net: prestera: acl: Add check for kmemdup

On Fri, 2022-09-30 at 07:29 -0700, Jakub Kicinski wrote:
> On Fri, 30 Sep 2022 13:03:17 +0800 Jiasheng Jiang wrote:
> > Actually, I used get_maintainer scripts and the results is as follow:
> > "./scripts/get_maintainer.pl -f drivers/net/ethernet/marvell/prestera/prestera_acl.c"
> > Taras Chornyi <tchornyi@...vell.com> (supporter:MARVELL PRESTERA ETHERNET SWITCH DRIVER)
> > "David S. Miller" <davem@...emloft.net> (maintainer:NETWORKING DRIVERS)
> > Eric Dumazet <edumazet@...gle.com> (maintainer:NETWORKING DRIVERS)
> > Jakub Kicinski <kuba@...nel.org> (maintainer:NETWORKING DRIVERS)
> > Paolo Abeni <pabeni@...hat.com> (maintainer:NETWORKING DRIVERS)
> > netdev@...r.kernel.org (open list:NETWORKING DRIVERS)
> > linux-kernel@...r.kernel.org (open list)
> > 
> > Therefore, I submitted my patch to the above addresses.
> > 
> > And this time I checked the fixes commit, and found that it has two
> > authors:
> > Signed-off-by: Volodymyr Mytnyk <vmytnyk@...vell.com>
> > Signed-off-by: David S. Miller <davem@...emloft.net>

IMO: If Volodymyr wants to be a maintainer here, he should put
his email as an entry in the MAINTAINERS file for the subsystem.

> > Maybe there is a problem of the script that misses one.

I don't think so.  Maybe you have more evidence...

> > Anyway, I have already submitted the same patch and added
> > "vmytnyk@...vell.com" this time.
> 
> Ha! So you do indeed use it in a way I wasn't expecting :S
> Thanks for the explanation.
> 
> Joe, would you be okay to add a "big fat warning" to get_maintainer
> when people try to use the -f flag?

No, not really.  -f isn't required when the file is in git anyway.

> Maybe we can also change the message
> that's displayed when the script is run without arguments to not
> mention -f?

I think that's a poor idea as frequently the script isn't used
on patches but simply to identify the maintainers of a particular
file or subsystem.

> We're getting quite a few fixes which don't CC author, I'm guessing
> Jiasheng's approach may be a common one.

There's no great way to identify "author" or "original submitter"
and frequently the "original submitter" isn't a maintainer anyway.