Re: [PATCH 2/2 V6] acpi/prmt: refactor acpi_platformrt_space_handler to drop gotos

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On Sun, 2024-10-06 at 23:36 +0800, KobaK wrote:
> From: koba ko <kobak@xxxxxxxxxx>
> 
> Replace gotos with returns
> 
> Signed-off-by: koba ko <kobak@xxxxxxxxxx>

I think my previous comment was valid because a different prm_status is
returned, say, PRM_HANDLER_ERROR.

Given that we return AE_OK directly for PRM_HANDLER_ERROR case in patch
1/2, I think it is okay to drop this patch.

thanks,
rui

> ---
>  drivers/acpi/prmt.c | 22 ++++++++++++----------
>  1 file changed, 12 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/acpi/prmt.c b/drivers/acpi/prmt.c
> index 970207bc8f4a..b0cf4428f7e3 100644
> --- a/drivers/acpi/prmt.c
> +++ b/drivers/acpi/prmt.c
> @@ -288,8 +288,10 @@ static acpi_status
> acpi_platformrt_space_handler(u32 function,
>  
>                 handler = find_prm_handler(&buffer->handler_guid);
>                 module = find_prm_module(&buffer->handler_guid);
> -               if (!handler || !module)
> -                       goto invalid_guid;
> +               if (!handler || !module) {
> +                       buffer->prm_status =
> PRM_HANDLER_GUID_NOT_FOUND;
> +                       return AE_OK;
> +               }
>  
>                 if (!handler->handler_addr || !handler-
> >static_data_buffer_addr ||
>                         !handler->acpi_param_buffer_addr) {
> @@ -318,8 +320,10 @@ static acpi_status
> acpi_platformrt_space_handler(u32 function,
>         case PRM_CMD_START_TRANSACTION:
>  
>                 module = find_prm_module(&buffer->handler_guid);
> -               if (!module)
> -                       goto invalid_guid;
> +               if (!module) {
> +                       buffer->prm_status =
> PRM_HANDLER_GUID_NOT_FOUND;
> +                       return AE_OK;
> +               }
>  
>                 if (module->updatable)
>                         module->updatable = false;
> @@ -330,8 +334,10 @@ static acpi_status
> acpi_platformrt_space_handler(u32 function,
>         case PRM_CMD_END_TRANSACTION:
>  
>                 module = find_prm_module(&buffer->handler_guid);
> -               if (!module)
> -                       goto invalid_guid;
> +               if (!module) {
> +                       buffer->prm_status =
> PRM_HANDLER_GUID_NOT_FOUND;
> +                       return AE_OK;
> +               }
>  
>                 if (module->updatable)
>                         buffer->prm_status =
> UPDATE_UNLOCK_WITHOUT_LOCK;
> @@ -346,10 +352,6 @@ static acpi_status
> acpi_platformrt_space_handler(u32 function,
>         }
>  
>         return AE_OK;
> -
> -invalid_guid:
> -       buffer->prm_status = PRM_HANDLER_GUID_NOT_FOUND;
> -       return AE_OK;
>  }
>  
>  void __init init_prmt(void)





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