Re: [PATCH] ACPI: fix the process flow for 0 which return from acpi_register_gsi

[majun (Euler7)]

sorry, ignore this one..


在 2016/12/1 15:41, Majun 写道:
> From: MaJun <majun258@xxxxxxxxxx>
> 
> The return value 0 from acpi_register_gsi() means irq mapping failed.
> So, we should process this case in else branch.
> 
> Signed-off-by: MaJun <majun258@xxxxxxxxxx>
> ---
>  drivers/acpi/resource.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
> index 56241eb..9918326 100644
> --- a/drivers/acpi/resource.c
> +++ b/drivers/acpi/resource.c
> @@ -416,7 +416,7 @@ static void acpi_dev_get_irqresource(struct resource *res, u32 gsi,
>  
>  	res->flags = acpi_dev_irq_flags(triggering, polarity, shareable);
>  	irq = acpi_register_gsi(NULL, gsi, triggering, polarity);
> -	if (irq >= 0) {
> +	if (irq > 0) {
>  		res->start = irq;
>  		res->end = irq;
>  	} else {
>