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Message-ID: <175fcdf2-255c-4cfe-9e5d-d349accb88d1@redhat.com>
Date: Tue, 5 Mar 2024 10:08:22 +0100
From: Hans de Goede <hdegoede@...hat.com>
To: Armin Wolf <W_Armin@....de>, ilpo.jarvinen@...ux.intel.com
Cc: platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] platform/x86: wmi: Avoid returning AE_OK upon unknown
 error

Hi,

On 3/4/24 23:17, Armin Wolf wrote:
> If an error code other than EINVAL, ENODEV or ETIME is returned
> by ec_read()/ec_write(), then AE_OK is wrongly returned.
> 
> Fix this by only returning AE_OK if the return code is 0, and
> return AE_ERROR otherwise.
> 
> Tested on a Dell Inspiron 3505 and a Asus Prime B650-Plus.
> 
> Signed-off-by: Armin Wolf <W_Armin@....de>

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@...hat.com>

Regards,

Hans


> ---
>  drivers/platform/x86/wmi.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
> index 900e0e52a5fa..be0e772a87c8 100644
> --- a/drivers/platform/x86/wmi.c
> +++ b/drivers/platform/x86/wmi.c
> @@ -1213,8 +1213,10 @@ acpi_wmi_ec_space_handler(u32 function, acpi_physical_address address,
>  		return AE_NOT_FOUND;
>  	case -ETIME:
>  		return AE_TIME;
> -	default:
> +	case 0:
>  		return AE_OK;
> +	default:
> +		return AE_ERROR;
>  	}
>  }
> 
> --
> 2.39.2
> 


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