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Groups > linux.kernel > #1450675
| From | Rui Wang <rui.y.wang@intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 2/4] x86/ioapic: Fix setup_res() failing to get resource |
| Date | 2016-07-26 18:40 +0200 |
| Message-ID | <rZdyG-4lo-21@gated-at.bofh.it> (permalink) |
| References | <rZdoZ-4i9-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
setup_res() doesn't actually get any resoure because it mistakenly
checks the return value of acpi_dev_filter_resource_type(), which
returns 0 on success, and 1 on failure. Fix it by taking the return
value of non-zero as failing to match the specified resource type.
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 0f272e2..daf4a40 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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[PATCH 0/4] Fixing a set of bugs for ioapic hotplug Rui Wang <rui.y.wang@intel.com> - 2016-07-26 18:40 +0200
[PATCH 2/4] x86/ioapic: Fix setup_res() failing to get resource Rui Wang <rui.y.wang@intel.com> - 2016-07-26 18:40 +0200
Re: [PATCH 2/4] x86/ioapic: Fix setup_res() failing to get resource Bjorn Helgaas <helgaas@kernel.org> - 2016-07-26 22:30 +0200
[PATCH 3/4] x86/ioapic: Fix lost ioapic resource after hot-removal and hotadd Rui Wang <rui.y.wang@intel.com> - 2016-07-26 18:40 +0200
Re: [PATCH 3/4] x86/ioapic: Fix lost ioapic resource after hot-removal and hotadd kbuild test robot <lkp@intel.com> - 2016-07-26 19:00 +0200
Re: [PATCH 3/4] x86/ioapic: Fix lost ioapic resource after hot-removal and hotadd Bjorn Helgaas <helgaas@kernel.org> - 2016-07-26 22:30 +0200
Re: [PATCH 3/4] x86/ioapic: Fix lost ioapic resource after hot-removal and hotadd Rui Wang <rui.y.wang@intel.com> - 2016-07-27 05:00 +0200
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