On Wednesday, March 04, 2015 06:48:35 PM Lee, Chun-Yi wrote:
> From: Nan Li <[email protected]>
> 
> The count field is an unsigned 32bit value, and the
> counter_show() function should also treat it as a unsigned
> value.
> 
> Otherwise the counter may show negative number as we found on a
> machine:
> ...
> gpe23:        0   invalid
> gpe24: -2071733   enabled
> gpe25:        0   invalid
> ...
> gpe_all: -2070980
> sci: -2070949
> 
> Cc: "Rafael J. Wysocki" <[email protected]>
> Cc: Len Brown <[email protected]>
> Cc: Thomas Renninger <[email protected]>
> Signed-off-by: Nan Li <[email protected]>
> Signed-off-by: Lee, Chun-Yi <[email protected]>

Queued up for 4.1, thanks!

> ---
>  drivers/acpi/sysfs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
> index 13e577c..0876d77 100644
> --- a/drivers/acpi/sysfs.c
> +++ b/drivers/acpi/sysfs.c
> @@ -527,7 +527,7 @@ static ssize_t counter_show(struct kobject *kobj,
>           acpi_irq_not_handled;
>       all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_GPE].count =
>           acpi_gpe_count;
> -     size = sprintf(buf, "%8d", all_counters[index].count);
> +     size = sprintf(buf, "%8u", all_counters[index].count);
>  
>       /* "gpe_all" or "sci" */
>       if (index >= num_gpes + ACPI_NUM_FIXED_EVENTS)
> 

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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