Re: [PATCH] net: phy: replace deprecated strncpy with ethtool_sprintf

[Andrew Lunn]

Hi Justin

The Subject line should say which PHY you are patching, nxp-cbtx. The
patches which follow do have driver names. Please repost with the
Subject corrected.

Please also take a look at

https://www.kernel.org/doc/html/latest/process/maintainer-netdev.html

which will tell you about networking subsystem specific processes it
would be nice to follow.


> 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@xxxxxxxxxxxxxxx
> Signed-off-by: Justin Stitt <justinstitt@xxxxxxxxxx>

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

    Andrew

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