linux-kernel - Re: [char-misc-next 6/6] mei: hw: don't use one element arrays

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Message-ID: <cfaf83de-2471-9224-ba6b-f1c162b334d6@embeddedor.com>
Date:   Thu, 23 Jul 2020 11:49:22 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Tomas Winkler <tomas.winkler@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Alexander Usyskin <alexander.usyskin@...el.com>,
        linux-kernel@...r.kernel.org,
        "Gustavo A . R . Silva" <gustavoars@...nel.org>,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: [char-misc-next 6/6] mei: hw: don't use one element arrays



On 7/23/20 09:59, Tomas Winkler wrote:
> Replace the single element arrays with a simple value type u8 reserved,
> even thought is is not used for dynamically sized trailing elements
> it confuses the effort of replacing one-element arrays with
> flexible arrays for that purpose.
> 
> Link: https://github.com/KSPP/linux/issues/79
> Cc: Gustavo A. R. Silva <gustavoars@...nel.org>
> Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>

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

Thanks
--
Gustavo

> ---
>  drivers/misc/mei/hw.h | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/misc/mei/hw.h b/drivers/misc/mei/hw.h
> index b1a8d5ec88b3..26fa92cb7f7a 100644
> --- a/drivers/misc/mei/hw.h
> +++ b/drivers/misc/mei/hw.h
> @@ -1,6 +1,6 @@
>  /* SPDX-License-Identifier: GPL-2.0 */
>  /*
> - * Copyright (c) 2003-2018, Intel Corporation. All rights reserved
> + * Copyright (c) 2003-2020, Intel Corporation. All rights reserved
>   * Intel Management Engine Interface (Intel MEI) Linux driver
>   */
>  
> @@ -319,7 +319,7 @@ struct hbm_props_response {
>  	u8 hbm_cmd;
>  	u8 me_addr;
>  	u8 status;
> -	u8 reserved[1];
> +	u8 reserved;
>  	struct mei_client_properties client_properties;
>  } __packed;
>  
> @@ -352,7 +352,7 @@ struct hbm_add_client_response {
>  	u8 hbm_cmd;
>  	u8 me_addr;
>  	u8 status;
> -	u8 reserved[1];
> +	u8 reserved;
>  } __packed;
>  
>  /**
> @@ -461,7 +461,7 @@ struct hbm_notification {
>  	u8 hbm_cmd;
>  	u8 me_addr;
>  	u8 host_addr;
> -	u8 reserved[1];
> +	u8 reserved;
>  } __packed;
>  
>  /**
>