Re: [PATCH v3 13/18] media: venus: Refactor struct hfi_uncompressed_format_supported

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On 5/28/2024 2:39 AM, Ricardo Ribalda wrote:
> plane_info is not a typical array, the data is not contiguous:
> pinfo = (void *)pinfo + sizeof(*constr) * num_planes +
> 	2 * sizeof(u32);
> 
> Replace the single element array with a single element field.
> 
> This fixes the following cocci warning:
> drivers/media/platform/qcom/venus/hfi_helper.h:1009:36-46: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> 
> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
> Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
> ---
>  drivers/media/platform/qcom/venus/hfi_helper.h | 2 +-
>  drivers/media/platform/qcom/venus/hfi_parser.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/hfi_helper.h b/drivers/media/platform/qcom/venus/hfi_helper.h
> index eb0a4c64b7ef..dee439ea4d2e 100644
> --- a/drivers/media/platform/qcom/venus/hfi_helper.h
> +++ b/drivers/media/platform/qcom/venus/hfi_helper.h
> @@ -1006,7 +1006,7 @@ struct hfi_uncompressed_plane_info {
>  struct hfi_uncompressed_format_supported {
>  	u32 buffer_type;
>  	u32 format_entries;
> -	struct hfi_uncompressed_plane_info plane_info[1];
> +	struct hfi_uncompressed_plane_info plane_info;
>  };
>  
>  struct hfi_uncompressed_plane_actual {
> diff --git a/drivers/media/platform/qcom/venus/hfi_parser.c b/drivers/media/platform/qcom/venus/hfi_parser.c
> index c43839539d4d..3df241dc3a11 100644
> --- a/drivers/media/platform/qcom/venus/hfi_parser.c
> +++ b/drivers/media/platform/qcom/venus/hfi_parser.c
> @@ -157,7 +157,7 @@ static void
>  parse_raw_formats(struct venus_core *core, u32 codecs, u32 domain, void *data)
>  {
>  	struct hfi_uncompressed_format_supported *fmt = data;
> -	struct hfi_uncompressed_plane_info *pinfo = fmt->plane_info;
> +	struct hfi_uncompressed_plane_info *pinfo = &fmt->plane_info;
>  	struct hfi_uncompressed_plane_constraints *constr;
>  	struct raw_formats rawfmts[MAX_FMT_ENTRIES] = {};
>  	u32 entries = fmt->format_entries;
> 
Acked-by: Vikash Garodia <quic_vgarodia@xxxxxxxxxxx>




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