linux-hardening - Re: [PATCH] net: dsa: vsc73xx: replace deprecated strncpy with ethtool

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Date: Wed, 11 Oct 2023 01:13:54 +0300
From: Vladimir Oltean <olteanv@...il.com>
To: Justin Stitt <justinstitt@...gle.com>
Cc: Andrew Lunn <andrew@...n.ch>, Florian Fainelli <f.fainelli@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-hardening@...r.kernel.org,
	Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH] net: dsa: vsc73xx: replace deprecated strncpy with
 ethtool_sprintf

On Tue, Oct 10, 2023 at 10:44:42AM -0700, Justin Stitt wrote:
> Wow, thanks for the feedback here. I agree that the current
> proposal is problematic. I wonder what you think about
> using a ternary to avoid smelly code dupe:
> 
> for (i = 0; i < 3; i++) {
>         cnt = vsc73xx_find_counter(vsc, indices[i], false);
>         ethtool_sprintf(&buf, "%s", cnt ? cnt->name : "");
> }

Looks like that would address my comment, and it looks okay.