linux-kernel - Re: [PATCH v3 18/18] media: venus: Refactor hfi_buffer_alloc_mode

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Date: Tue, 18 Jun 2024 18:01:11 +0530
From: Vikash Garodia <quic_vgarodia@...cinc.com>
To: Ricardo Ribalda <ribalda@...omium.org>,
        Michael Tretter
	<m.tretter@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Laurent Pinchart
	<laurent.pinchart@...asonboard.com>,
        Michal Simek <michal.simek@....com>,
        Andy Walls <awalls@...metrocast.net>,
        Stanimir Varbanov
	<stanimir.k.varbanov@...il.com>,
        Bryan O'Donoghue
	<bryan.odonoghue@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad
 Dybcio <konrad.dybcio@...aro.org>
CC: <linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-arm-msm@...r.kernel.org>,
        Hans
 Verkuil <hverkuil-cisco@...all.nl>
Subject: Re: [PATCH v3 18/18] media: venus: Refactor
 hfi_buffer_alloc_mode_supported


On 5/28/2024 2:39 AM, Ricardo Ribalda wrote:
> Replace the old style single element array at the end of the struct with
> a flex array.
> 
> The code does not allocate this structure, so the size change should not
> be a problem.
> 
> This fixes the following cocci warning:
> drivers/media/platform/qcom/venus/hfi_helper.h:1233:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> 
> Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
> ---
>  drivers/media/platform/qcom/venus/hfi_helper.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/hfi_helper.h b/drivers/media/platform/qcom/venus/hfi_helper.h
> index dee439ea4d2e..9545c964a428 100644
> --- a/drivers/media/platform/qcom/venus/hfi_helper.h
> +++ b/drivers/media/platform/qcom/venus/hfi_helper.h
> @@ -1230,7 +1230,7 @@ struct hfi_interlace_format_supported {
>  struct hfi_buffer_alloc_mode_supported {
>  	u32 buffer_type;
>  	u32 num_entries;
> -	u32 data[1];
> +	u32 data[];
>  };
>  
>  struct hfi_metadata_pass_through {
> 
Acked-by: Vikash Garodia <quic_vgarodia@...cinc.com>