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Message-ID: <202310141935.B326C9E@keescook> Date: Sat, 14 Oct 2023 19:36:52 -0700 From: Kees Cook <keescook@...omium.org> To: Andrew Lunn <andrew@...n.ch> Cc: Justin Stitt <justinstitt@...gle.com>, Heiner Kallweit <hkallweit1@...il.com>, Russell King <linux@...linux.org.uk>, "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 Subject: Re: [PATCH] net: phy: tja11xx: replace deprecated strncpy with ethtool_sprintf On Sat, Oct 14, 2023 at 03:55:41AM +0200, Andrew Lunn wrote: > > I've been told that this whole ethtool API area is considered > > deprecated. If that holds, then I don't think it's worth adding new > > helpers to support it when ethtool_sprintf() is sufficient. > > I think deprecated is too strong. The current API is not great, so > maybe with time a new API will emerge. But given there are around 160 > users of the API, probably over 100 drivers, it will be 20 years or > more before all that hardware becomes obsolete and the drivers are > removed. > > > Once you're done with the strncpy->ethtool_sprintf conversions I think > > it would be nice to have a single patch that fixes all of these > > "%s"-less instances to use "%s". (Doing per-driver fixes for that case > > seems just overly painful.) > > I guess it is the same amount of effort to replace them with > ethtool_puts()? Yup, right. If adding ethtool_puts() makes sense, then I totally agree. -- Kees Cook
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