linux-kernel - Re: [PATCH][next] wil6210: Avoid the use of one-element array

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Date:   Wed, 22 Jul 2020 13:27:40 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Maya Erez <merez@...eaurora.org>,
        Kalle Valo <kvalo@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     linux-wireless@...r.kernel.org, wil6210@....qualcomm.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] wil6210: Avoid the use of one-element array

Hi all,

Friendly ping: who can take this? :)

Thanks
--
Gustavo

On 7/15/20 16:57, Gustavo A. R. Silva wrote:
> One-element arrays are being deprecated[1]. Replace the one-element
> array with a simple value type 'u8 reserved'[2], once this is just
> a placeholder for alignment.
> 
> [1] https://github.com/KSPP/linux/issues/79
> [2] https://github.com/KSPP/linux/issues/86
> 
> Tested-by: kernel test robot <lkp@...el.com>
> Link: https://github.com/GustavoARSilva/linux-hardening/blob/master/cii/0-day/wil6210-20200715.md
> Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
> ---
>  drivers/net/wireless/ath/wil6210/wmi.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h
> index 9affa4525609..beb53cac329b 100644
> --- a/drivers/net/wireless/ath/wil6210/wmi.h
> +++ b/drivers/net/wireless/ath/wil6210/wmi.h
> @@ -3086,7 +3086,7 @@ struct wmi_scheduling_scheme_event {
>  	/* wmi_sched_scheme_failure_type */
>  	u8 failure_type;
>  	/* alignment to 32b */
> -	u8 reserved[1];
> +	u8 reserved;
>  } __packed;
>  
>  /* WMI_RS_CFG_CMDID - deprecated */
>