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From: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
To: Ricardo Ribalda <ribalda@chromium.org>,
	Michael Tretter <m.tretter@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Michal Simek <michal.simek@amd.com>,
	Andy Walls <awalls@md.metrocast.net>,
	Stanimir Varbanov <stanimir.k.varbanov@gmail.com>,
	Vikash Garodia <quic_vgarodia@quicinc.com>,
	Bryan O'Donoghue <bryan.odonoghue@linaro.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-arm-msm@vger.kernel.org,
	Hans Verkuil <hverkuil-cisco@xs4all.nl>
Subject: Re: [PATCH v2 18/18] media: venus: Refactor hfi_buffer_alloc_mode_supported
Date: Fri, 10 May 2024 01:09:01 +0100	[thread overview]
Message-ID: <79b2ab52-392f-40f6-8208-6e10330c0f04@linaro.org> (raw)
In-Reply-To: <20240507-cocci-flexarray-v2-18-7aea262cf065@chromium.org>

On 07/05/2024 17:27, 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@chromium.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 {
> 

You have some fairly inconsistent fixes for this class.

Please don't change the sizeof() any structures in your series, because 
the structure is unallocated changing the size is potentially insidious IMO.

data[1] -> data is perfectly fine in this case.

---
bod

  reply	other threads:[~2024-05-10  0:09 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-07 16:27 [PATCH v2 00/18] media: Fix the last set of coccinelle warnings Ricardo Ribalda
2024-05-07 16:27 ` [PATCH v2 01/18] media: allegro: nal-hevc: Refactor nal_hevc_sub_layer_hrd_parameters Ricardo Ribalda
2024-05-08  8:53   ` Michael Tretter
2024-05-09 18:50     ` Ricardo Ribalda
2024-05-07 16:27 ` [PATCH v2 02/18] media: xilinx: Refactor struct xvip_dma Ricardo Ribalda
2024-05-07 19:34   ` Laurent Pinchart
2024-05-07 16:27 ` [PATCH v2 03/18] media: dvb-frontend/mxl5xx: Refactor struct MBIN_FILE_T Ricardo Ribalda
2024-05-07 16:27 ` [PATCH v2 04/18] media: dvb-frontend/mxl5xx: Use flex array for MBIN_SEGMENT_T Ricardo Ribalda
2024-05-07 16:27 ` [PATCH v2 05/18] media: pci: cx18: Use flex arrays for struct cx18_scb Ricardo Ribalda
2024-05-07 16:27 ` [PATCH v2 06/18] media: siano: Refactor struct sms_msg_data Ricardo Ribalda
2024-05-07 16:27 ` [PATCH v2 07/18] media: siano: Remove unused structures Ricardo Ribalda
2024-05-07 16:27 ` [PATCH v2 08/18] media: siano: Use flex arrays for sms_firmware Ricardo Ribalda
2024-05-07 16:27 ` [PATCH v2 09/18] media: venus: Remove unused structs Ricardo Ribalda
2024-05-09 23:35   ` Bryan O'Donoghue
2024-05-09 23:55     ` Bryan O'Donoghue
2024-05-22 12:28       ` Ricardo Ribalda
2024-05-07 16:27 ` [PATCH v2 10/18] media: venus: Use flex array for hfi_session_release_buffer_pkt Ricardo Ribalda
2024-05-09 23:37   ` Bryan O'Donoghue
2024-05-10  0:10     ` Bryan O'Donoghue
2024-05-22 12:54       ` Ricardo Ribalda
2024-05-07 16:27 ` [PATCH v2 11/18] media: venus: Refactor struct hfi_uncompressed_plane_info Ricardo Ribalda
2024-05-09 23:38   ` Bryan O'Donoghue
2024-05-07 16:27 ` [PATCH v2 12/18] media: venus: Refactor struct hfi_session_get_property_pkt Ricardo Ribalda
2024-05-09 23:43   ` Bryan O'Donoghue
2024-05-07 16:27 ` [PATCH v2 13/18] media: venus: Refactor struct hfi_uncompressed_format_supported Ricardo Ribalda
2024-05-09 23:56   ` Bryan O'Donoghue
2024-05-07 16:27 ` [PATCH v2 14/18] media: venus: Refactor hfi_session_empty_buffer_uncompressed_plane0_pkt Ricardo Ribalda
2024-05-09 23:58   ` Bryan O'Donoghue
2024-05-07 16:27 ` [PATCH v2 15/18] media: venus: Refactor hfi_session_empty_buffer_compressed_pkt Ricardo Ribalda
2024-05-09 23:59   ` Bryan O'Donoghue
2024-05-07 16:27 ` [PATCH v2 16/18] media: venus: Refactor hfi_sys_get_property_pkt Ricardo Ribalda
2024-05-10  0:05   ` Bryan O'Donoghue
2024-05-07 16:27 ` [PATCH v2 17/18] media: venus: Refactor hfi_session_fill_buffer_pkt Ricardo Ribalda
2024-05-10  0:06   ` Bryan O'Donoghue
2024-05-07 16:27 ` [PATCH v2 18/18] media: venus: Refactor hfi_buffer_alloc_mode_supported Ricardo Ribalda
2024-05-10  0:09   ` Bryan O'Donoghue [this message]
2024-05-22 13:03     ` Ricardo Ribalda

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