Re: [PATCH][next] ACPI: pfr_telemetry: remove redundant error check on ret

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On Mon, Oct 14, 2024 at 3:05 PM Colin Ian King <colin.i.king@xxxxxxxxx> wrote:
>
> The variable ret is initialized to zero and a littler later in
> the PFRT_LOG_IOC_GET_INFO case of a switch statement is being checked
> for negative error value. Since ret has not been re-assigned since
> the initialization ret can never be less than zero so the check is
> redundant and can be removed. Remove it.
>
> Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
> ---
>  drivers/acpi/pfr_telemetry.c | 3 ---
>  1 file changed, 3 deletions(-)
>
> diff --git a/drivers/acpi/pfr_telemetry.c b/drivers/acpi/pfr_telemetry.c
> index 998264a7333d..a32798787ed9 100644
> --- a/drivers/acpi/pfr_telemetry.c
> +++ b/drivers/acpi/pfr_telemetry.c
> @@ -272,9 +272,6 @@ static long pfrt_log_ioctl(struct file *file, unsigned int cmd, unsigned long ar
>
>         case PFRT_LOG_IOC_GET_INFO:
>                 info.log_level = get_pfrt_log_level(pfrt_log_dev);
> -               if (ret < 0)
> -                       return ret;
> -
>                 info.log_type = pfrt_log_dev->info.log_type;
>                 info.log_revid = pfrt_log_dev->info.log_revid;
>                 if (copy_to_user(p, &info, sizeof(info)))
> --

Applied as 6.13 material, thanks!





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