ACK: [PATCH] acpi: fpdt: add a terminate for buggy BIOS that reports zero length

[ivanhu]

On 2015年12月09日 15:32, Alex Hung wrote:
> On Supermicro's C7Q67, BIOS reports Performance Record Type 0 with
> zero length and it causes fpdt test to run into infinite loop.  As
> the data is considered corrupted, it is better to terminate the
> test instead of checking others.
>
> Signed-off-by: Alex Hung <alex.hung at canonical.com>
> ---
>   src/acpi/fpdt/fpdt.c | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/src/acpi/fpdt/fpdt.c b/src/acpi/fpdt/fpdt.c
> index f5e4550..0d059be 100644
> --- a/src/acpi/fpdt/fpdt.c
> +++ b/src/acpi/fpdt/fpdt.c
> @@ -203,6 +203,10 @@ static int fpdt_test1(fwts_framework *fw)
>   			break;
>   		}
>   		ptr += fpdt->length;
> +
> +		/* terminate loop for buggy BIOS */
> +		if (fpdt->length == 0)
> +			break;
>   	}
>
>   done:
>

Acked-by: Ivan Hu <ivan.hu at canonical.com>