Some functions use ACPI_SUCCESS/FAILURE for checking return value of
acpi_bus_get_device().
Following patches change not to apply ACPI_SUCCESS/FAILURE to the
return value of acpi_bus_get_device().
[PATCH 1/4] ACPI/PM: Fix acpi_bus_get_device() check in drivers/acpi/device_pm.c
[PATCH 2/4] ACPI/dock: Fix acpi_bus_get_device() check in drivers/acpi/ddock.c
[PATCH 3/4] PNPACPI: Fix acpi_bus_get_device() check in drivers/pnp/pnpacpi/core.c
[PATCH 4/4] GPU/i915: Fix acpi_bus_get_device() check in drivers/gpu/drm/i915/intel_opregion.c
2013/01/31 7:03, Rafael J. Wysocki wrote:
From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Since acpi_bus_get_device() returns int and not acpi_status, change
acpi_match_device() so that it doesn't apply ACPI_FAILURE() to the
return value of acpi_bus_get_device().
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
---
drivers/acpi/scan.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Index: linux-pm/drivers/acpi/scan.c
===================================================================
--- linux-pm.orig/drivers/acpi/scan.c
+++ linux-pm/drivers/acpi/scan.c
@@ -491,9 +491,9 @@ const struct acpi_device_id *acpi_match_
const struct device *dev)
{
struct acpi_device *adev;
+ acpi_handle handle = ACPI_HANDLE(dev);
- if (!ids || !ACPI_HANDLE(dev)
- || ACPI_FAILURE(acpi_bus_get_device(ACPI_HANDLE(dev), &adev)))
+ if (!ids || !handle || acpi_bus_get_device(handle, &adev))
return NULL;
return __acpi_match_device(adev, ids);
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