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    Subject[PATCH v3 3/5] x86/ioapic: Fix setup_res() failing to get resource
    Date
    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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