Messages in this thread Patch in this message | | | From | Rui Wang <> | Subject | [PATCH v4 3/5] x86/ioapic: Fix setup_res() failing to get resource | Date | Wed, 17 Aug 2016 16:00:35 +0800 |
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acpi_dev_filter_resource_type() returns 0 on success, and 1 on failure. A return value of zero means there's a matching resource, so we should continue within setup_res() to get the resource.
Signed-off-by: Rui Wang <rui.y.wang@intel.com> --- drivers/acpi/ioapic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/acpi/ioapic.c b/drivers/acpi/ioapic.c index 2449377..8ab6d42 100644 --- a/drivers/acpi/ioapic.c +++ b/drivers/acpi/ioapic.c @@ -46,7 +46,7 @@ static acpi_status setup_res(struct acpi_resource *acpi_res, void *data) struct resource_win win; res->flags = 0; - if (acpi_dev_filter_resource_type(acpi_res, IORESOURCE_MEM) == 0) + if (acpi_dev_filter_resource_type(acpi_res, IORESOURCE_MEM)) return AE_OK; if (!acpi_dev_resource_memory(acpi_res, res)) { -- 1.8.3.1
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