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x86/ioapic: Fix setup_res() failing to get resource

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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>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: bhelgaas@google.com
Cc: helgaas@kernel.org
Cc: linux-acpi@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Cc: rjw@rjwysocki.net
Cc: tony.luck@intel.com
Link: http://lkml.kernel.org/r/1471420837-31003-4-git-send-email-rui.y.wang@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Rui Wang 2016-08-17 16:00:35 +08:00 committed by Ingo Molnar
parent 584c5c422f
commit 6ab7eba5db
1 changed files with 1 additions and 1 deletions
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2
drivers/acpi/ioapic.c
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@ -46,7 +46,7 @@ static acpi_status setup_res(struct acpi_resource *acpi_res, void *data)
struct resource_win win; struct resource_win win;
res->flags = 0; 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; return AE_OK;
if (!acpi_dev_resource_memory(acpi_res, res)) { if (!acpi_dev_resource_memory(acpi_res, res)) {