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Message-ID: <02afcfd1dc4d4c258c2c5ffbda2688c8@AcuMS.aculab.com>
Date:   Wed, 19 Jul 2023 08:47:57 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     'Andrew Lunn' <andrew@...n.ch>, Jakub Kicinski <kuba@...nel.org>
CC:     Kees Cook <kees@...nel.org>,
        "justinstitt@...gle.com" <justinstitt@...gle.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "Vladimir Oltean" <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        "Eric Dumazet" <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Kees Cook <keescook@...omium.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: RE: [PATCH] net: dsa: remove deprecated strncpy

From: Andrew Lunn
> Sent: 18 July 2023 20:31
...
> Maybe we should actually add another helper:
> 
> ethtool_name_cpy(u8 **data, unsigned int index, const char *name);
> 
> Then over the next decade, slowly convert all drivers to it. And then
> eventually replace the u8 with a struct including the length.

Define the structure with the length from the start.
Add a wrapper that allows the length to be absent.
(Either ignoring the length or using 0/infinity to mean no length.)

Then you don't need to visit everywhere twice - just some places.

	David

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