Re: [PATCH v1 2/2] net: ethernet: mtk_eth_soc: Support custom ifname

[Reto Schneider]

Hi Russell,

On 13.06.21 14:20, Russell King (Oracle) wrote:
> Please don't use strncpy() - this is a good example why strncpy() is bad
> news.
>
>   * strncpy - Copy a length-limited, C-string
>   * @dest: Where to copy the string to
>   * @src: Where to copy the string from
>   * @count: The maximum number of bytes to copy
>   *
>   * The result is not %NUL-terminated if the source exceeds
>   * @count bytes.
>
> Consequently, if "name" is IFNAMSIZ bytes or longer,
> eth->netdev[id]->name will not be NUL terminated, and subsequent use
> will run off the end of the string. strscpy() is safer to use here.

Thanks a lot for finding this (embarrassing mistake) and pointing me in 
the right direction (did dot know about strscpy).

Will send v2 soon.

Kind regards,
Reto