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Message-ID: <67e48181-611d-498c-abba-634b8f63ef25@embeddedor.com>
Date: Thu, 11 Jul 2024 10:18:10 -0600
From: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To: Kees Cook <kees@...nel.org>,
 Sathya Prakash Veerichetty <sathya.prakash@...adcom.com>
Cc: Kashyap Desai <kashyap.desai@...adcom.com>,
 Sumit Saxena <sumit.saxena@...adcom.com>,
 Sreekanth Reddy <sreekanth.reddy@...adcom.com>,
 "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
 "Martin K. Petersen" <martin.petersen@...cle.com>,
 Ranjan Kumar <ranjan.kumar@...adcom.com>, mpi3mr-linuxdrv.pdl@...adcom.com,
 linux-scsi@...r.kernel.org, "Gustavo A. R. Silva" <gustavoars@...nel.org>,
 Stephen Rothwell <sfr@...b.auug.org.au>, linux-kernel@...r.kernel.org,
 linux-hardening@...r.kernel.org
Subject: Re: [PATCH 3/4] scsi: mpi3mr: struct mpi3_sas_io_unit_page0: Replace
 1-element array with flexible array



On 11/07/24 09:56, Kees Cook wrote:
> Replace the deprecated[1] use of a 1-element array in
> struct mpi3_sas_io_unit_page0 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: Sathya Prakash Veerichetty <sathya.prakash@...adcom.com>
> Cc: Kashyap Desai <kashyap.desai@...adcom.com>
> Cc: Sumit Saxena <sumit.saxena@...adcom.com>
> Cc: Sreekanth Reddy <sreekanth.reddy@...adcom.com>
> Cc: "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>
> Cc: "Martin K. Petersen" <martin.petersen@...cle.com>
> Cc: Ranjan Kumar <ranjan.kumar@...adcom.com>
> Cc: mpi3mr-linuxdrv.pdl@...adcom.com
> Cc: linux-scsi@...r.kernel.org
> ---
>   drivers/scsi/mpi3mr/mpi/mpi30_cnfg.h | 5 +----
>   1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/scsi/mpi3mr/mpi/mpi30_cnfg.h b/drivers/scsi/mpi3mr/mpi/mpi30_cnfg.h
> index 6a19e17eb1a7..66cca35d8e52 100644
> --- a/drivers/scsi/mpi3mr/mpi/mpi30_cnfg.h
> +++ b/drivers/scsi/mpi3mr/mpi/mpi30_cnfg.h
> @@ -1565,16 +1565,13 @@ struct mpi3_sas_io_unit0_phy_data {
>   	__le32             reserved10;
>   };
>   
> -#ifndef MPI3_SAS_IO_UNIT0_PHY_MAX
> -#define MPI3_SAS_IO_UNIT0_PHY_MAX           (1)
> -#endif
>   struct mpi3_sas_io_unit_page0 {
>   	struct mpi3_config_page_header         header;
>   	__le32                             reserved08;
>   	u8                                 num_phys;
>   	u8                                 init_status;
>   	__le16                             reserved0e;
> -	struct mpi3_sas_io_unit0_phy_data      phy_data[MPI3_SAS_IO_UNIT0_PHY_MAX];
> +	struct mpi3_sas_io_unit0_phy_data      phy_data[];
>   };
>   
>   #define MPI3_SASIOUNIT0_PAGEVERSION                          (0x00)

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