linux-kernel - Re: [PATCH 3/16][BUG] ACPI pci_slot: Fix

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Message-ID: <20080321161739.GG17292@ldl.fc.hp.com>
Date:	Fri, 21 Mar 2008 10:17:39 -0600
From:	Alex Chiang <achiang@...com>
To:	Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>
Cc:	Greg KH <gregkh@...e.de>, Gary Hade <garyhade@...ibm.com>,
	Kristen Carlson Accardi <kristen.c.accardi@...el.com>,
	Matthew Wilcox <matthew@....cx>, warthog19@...lescrag.net,
	rick.jones2@...com, linux-kernel@...r.kernel.org,
	linux-pci@...ey.karlin.mff.cuni.cz, linux-acpi@...r.kernel.org
Subject: Re: [PATCH 3/16][BUG] ACPI pci_slot: Fix _STA evaluation (Not for
	mainline!)

* Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>:
> 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@...fujitsu.com>
> ---
>  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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