Re: [PATCH] can: peak_pci: replace deprecated strncpy with strscpy

From: Marc Kleine-Budde
Date: Thu Oct 05 2023 - 10:23:50 EST


On 05.10.2023 00:05:35, 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.
>
> NUL-padding is not required since card is already zero-initialized:
> | card = kzalloc(sizeof(*card), GFP_KERNEL);
>
> A suitable replacement is `strscpy` [2] due to the fact that it
> guarantees NUL-termination on the destination buffer without
> unnecessarily NUL-padding.
>
> 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>

applied to linux-can-next/testing.

regards,
Marc

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