On Tue, Oct 10, 2023 at 10:32:35PM +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 more robust and easier to > understand interface. > > This change could result in misaligned strings when if(cnt) fails. To > combat this, use ternary to place empty string in buffer and properly > increment pointer to next string slot. > > 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: [email protected] > Signed-off-by: Justin Stitt <[email protected]>
Nice; much more readable. Reviewed-by: Kees Cook <[email protected]> -- Kees Cook
