linux-kernel - Re: [PATCH 0/3] ethtool: Add ethtool

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Message-ID: <202310260845.B2AEF3166@keescook>
Date:   Thu, 26 Oct 2023 08:47:17 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Justin Stitt <justinstitt@...gle.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Shay Agroskin <shayagr@...zon.com>,
        Arthur Kiyanovski <akiyano@...zon.com>,
        David Arinzon <darinzon@...zon.com>,
        Noam Dagan <ndagan@...zon.com>,
        Saeed Bishara <saeedb@...zon.com>,
        Rasesh Mody <rmody@...vell.com>,
        Sudarsana Kalluru <skalluru@...vell.com>,
        GR-Linux-NIC-Dev@...vell.com,
        Dimitris Michailidis <dmichail@...gible.com>,
        Yisen Zhuang <yisen.zhuang@...wei.com>,
        Salil Mehta <salil.mehta@...wei.com>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        Louis Peens <louis.peens@...igine.com>,
        Shannon Nelson <shannon.nelson@....com>,
        Brett Creeley <brett.creeley@....com>, drivers@...sando.io,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
        Ronak Doshi <doshir@...are.com>,
        VMware PV-Drivers Reviewers <pv-drivers@...are.com>,
        Andy Whitcroft <apw@...onical.com>,
        Joe Perches <joe@...ches.com>,
        Dwaipayan Ray <dwaipayanray1@...il.com>,
        Lukas Bulwahn <lukas.bulwahn@...il.com>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nathan Chancellor <nathan@...nel.org>,
        intel-wired-lan@...ts.osuosl.org, oss-drivers@...igine.com,
        linux-hyperv@...r.kernel.org
Subject: Re: [PATCH 0/3] ethtool: Add ethtool_puts()

On Wed, Oct 25, 2023 at 11:40:31PM +0000, Justin Stitt wrote:
> @replace_2_args@
> identifier BUF;
> expression VAR;
> @@
> 
> -       ethtool_sprintf
> +       ethtool_puts
>         (&BUF, VAR)

I think cocci will do a better job at line folding if we adjust this
rule like I had to adjust the next rule: completely remove and re-add
the arguments:

-       ethtool_sprintf(&BUF, VAR)
+       ethtool_puts(&BUF, VAR)

Then I think the handful of weird line wraps in the treewide patch will
go away.

-- 
Kees Cook