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authorRui Wang <rui.y.wang@intel.com>2016-08-17 16:00:35 +0800
committerIngo Molnar <mingo@kernel.org>2016-08-18 11:45:18 +0200
commit6ab7eba5db93c11d61f6f7fbe21edbc875b26c1a (patch)
treeb31b20be3e536e2ea4a5b229a7cc354a0557504a /drivers/acpi/ioapic.c
parent584c5c422f6c749ced1e0bc3c6837f650f64e1e1 (diff)
x86/ioapic: Fix setup_res() failing to get resource
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>
Diffstat (limited to 'drivers/acpi/ioapic.c')
-rw-r--r--drivers/acpi/ioapic.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/ioapic.c b/drivers/acpi/ioapic.c
index 2449377a6e7c..8ab6d426c178 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)) {