Re: If ACPI doesn't find an irq listed, don't accept 0 as a valid PCI irq.

[Alexander Nyberg <alexn@telia.com>]

> tree e6a38b3d6bf434f08054562113bb660c4227769f
> parent 4a89a04f1ee21a7c1f4413f1ad7dcfac50ff9b63
> author Linus Torvalds <torvalds@g5.osdl.org> Sun, 03 Jul 2005 00:35:33 -0700
> committer Linus Torvalds <torvalds@g5.osdl.org> Sun, 03 Jul 2005 00:35:33 -0700
> 
> If ACPI doesn't find an irq listed, don't accept 0 as a valid PCI irq.
> 
> That zero just means that nothing else found any irq information either.
> 
>  drivers/acpi/pci_irq.c |    2 +-
>  1 files changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
> --- a/drivers/acpi/pci_irq.c
> +++ b/drivers/acpi/pci_irq.c
> @@ -433,7 +433,7 @@ acpi_pci_irq_enable (
>  		printk(KERN_WARNING PREFIX "PCI Interrupt %s[%c]: no GSI",
>  			pci_name(dev), ('A' + pin));
>  		/* Interrupt Line values above 0xF are forbidden */
> -		if (dev->irq >= 0 && (dev->irq <= 0xF)) {
> +		if (dev->irq > 0 && (dev->irq <= 0xF)) {
>  			printk(" - using IRQ %d\n", dev->irq);
>  			acpi_register_gsi(dev->irq, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW);
>  			return_VALUE(0);

Could this go into stable please? I've got it confirmed it fixes:
http://bugme.osdl.org/show_bug.cgi?id=4824

Which was introduced in -stable 2.6.12.2.

-
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