Re: [PATCH][next] tty: Avoid the use of one-element arrays

From: Jiri Slaby
Date: Fri Jul 17 2020 - 02:10:58 EST


On 16. 07. 20, 20:08, Gustavo A. R. Silva wrote:
> One-element arrays are being deprecated[1]. Replace the one-element arrays
> with simple value types 'char reserved_char' and 'compat_int_t reserved'[2],
> once it seems these are just placeholders for alignment.
>
> Also, while there, use the preferred form for passing a size of a struct.
> The alternative form where struct name is spelled out hurts readability
> and introduces an opportunity for a bug when the variable type is changed
> but the corresponding sizeof that is passed as argument is not.
>
> Lastly, fix the checkpatch.pl warnings below:
>
> ERROR: code indent should use tabs where possible
> + char reserved_char;$
>
> WARNING: please, no spaces at the start of a line
> + char reserved_char;$
>
> ERROR: code indent should use tabs where possible
> + compat_int_t reserved;$
>
> WARNING: please, no spaces at the start of a line
> + compat_int_t reserved;$

May I ask you to send a follow-up patch to fix the whole structure's
indentation?

> [1] https://github.com/KSPP/linux/issues/79
> [2] https://github.com/KSPP/linux/issues/86
>
> Tested-by: kernel test robot <lkp@xxxxxxxxx>
> Link: https://github.com/GustavoARSilva/linux-hardening/blob/master/cii/0-day/tty-20200716.md
> Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>

Acked-by: Jiri Slaby <jirislaby@xxxxxxxxxx>

thanks,
--
js
suse labs