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Message-ID: <20231015150003.GB1386676@kernel.org> Date: Sun, 15 Oct 2023 17:00:03 +0200 From: Simon Horman <horms@...nel.org> To: Justin Stitt <justinstitt@...gle.com> Cc: Andrew Lunn <andrew@...n.ch>, 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: smsc: replace deprecated strncpy with ethtool_sprintf On Thu, Oct 12, 2023 at 10:27:52PM +0000, Justin Stitt wrote: > strncpy() is deprecated for use on NUL-terminated destination strings > [1] and as such we should prefer more robust and less ambiguous string > interfaces. > > ethtool_sprintf() is designed specifically for get_strings() usage. > Let's replace strncpy in favor of this dedicated helper function. > > Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1] > Link: https://manpages.debian.org/testing/linux-manual-4.8/strscpy.9.en.html [2] > Link: https://github.com/KSPP/linux/issues/90 > Cc: linux-hardening@...r.kernel.org > Signed-off-by: Justin Stitt <justinstitt@...gle.com> > --- > Note: build-tested only. > > Found with: $ rg "strncpy\(" I agree that this is functionally equivalent. Reviewed-by: Simon Horman <horms@...nel.org>
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