linux-kernel - Re: [PATCH] scsi: megaraid_sas: struct MR_LD_VF_MAP: Replace 1-element arrays with flexible arrays

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Message-ID: <b819d9bd-8b29-4c09-a1f9-f8ec30e4495a@embeddedor.com>
Date: Thu, 11 Jul 2024 10:27:18 -0600
From: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To: Kees Cook <kees@...nel.org>, Kashyap Desai <kashyap.desai@...adcom.com>
Cc: Sumit Saxena <sumit.saxena@...adcom.com>,
 Shivasharan S <shivasharan.srikanteshwara@...adcom.com>,
 Chandrakanth patil <chandrakanth.patil@...adcom.com>,
 "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
 "Martin K. Petersen" <martin.petersen@...cle.com>,
 megaraidlinux.pdl@...adcom.com, linux-scsi@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH] scsi: megaraid_sas: struct MR_LD_VF_MAP: Replace
 1-element arrays with flexible arrays

On 11/07/24 09:58, Kees Cook wrote:
> Replace the deprecated[1] use of a 1-element array in
> struct MR_LD_VF_MAP with a modern flexible array.
> 
> No binary differences are present after this conversion.
> 
> Link: https://github.com/KSPP/linux/issues/79 [1]
> Signed-off-by: Kees Cook <kees@...nel.org>

Reviewed-by: Gustavo A. R. Silva <gustavoars@...nel.org>

Thanks
-- 
Gustavo

> ---
> Cc: Kashyap Desai <kashyap.desai@...adcom.com>
> Cc: Sumit Saxena <sumit.saxena@...adcom.com>
> Cc: Shivasharan S <shivasharan.srikanteshwara@...adcom.com>
> Cc: Chandrakanth patil <chandrakanth.patil@...adcom.com>
> Cc: "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>
> Cc: "Martin K. Petersen" <martin.petersen@...cle.com>
> Cc: megaraidlinux.pdl@...adcom.com
> Cc: linux-scsi@...r.kernel.org
> ---
>   drivers/scsi/megaraid/megaraid_sas.h | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
> index 5680c6cdb221..84cf77c48c0d 100644
> --- a/drivers/scsi/megaraid/megaraid_sas.h
> +++ b/drivers/scsi/megaraid/megaraid_sas.h
> @@ -2473,7 +2473,7 @@ struct MR_LD_VF_MAP {
>   	union MR_LD_REF ref;
>   	u8 ldVfCount;
>   	u8 reserved[6];
> -	u8 policy[1];
> +	u8 policy[];
>   };
>   
>   struct MR_LD_VF_AFFILIATION {