Re: [PATCH 3/16][BUG] ACPI pci_slot: Fix _STA evaluation (Not formainline!)

[Alex Chiang]

* Kenji Kaneshige <kaneshige.kenji@xxxxxxxxxxxxxx>:
> Fix the problem that pci slots that doesn't have _STA are not
> detected. If the device doesn't have _STA, we must assume it is always
> there.

Merged, thanks.

/ac

> 
> Signed-off-by: Kenji Kaneshige <kaneshige.kenji@xxxxxxxxxxxxxx>
> ---
>  drivers/acpi/pci_slot.c |    5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> Index: linux-2.6.25-rc6/drivers/acpi/pci_slot.c
> ===================================================================
> --- linux-2.6.25-rc6.orig/drivers/acpi/pci_slot.c
> +++ linux-2.6.25-rc6/drivers/acpi/pci_slot.c
> @@ -76,9 +76,8 @@ check_slot(acpi_handle handle, int *devi
>  
>  	if (check_sta_before_sun) {
>  		/* If SxFy doesn't have _STA, we just assume it's there */
> -		acpi_evaluate_integer(handle, "_STA", NULL, &sta);
> -
> -		if (!(sta & ACPI_STA_DEVICE_PRESENT)) {
> +		status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
> +		if (ACPI_SUCCESS(status) && !(sta & ACPI_STA_DEVICE_PRESENT)) {
>  			retval = -1;
>  			goto out;
>  		}
> 
> 
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