linux-kernel - Re: [PATCH 0/4] Fix acpi_bus_get

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Date:	Thu, 31 Jan 2013 12:14:17 +0900
From:	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Yinghai Lu <yinghai@...nel.org>, Toshi Kani <toshi.kani@...com>
Subject: Re: [PATCH 0/4] Fix acpi_bus_get_device() check

acpi_bus_get_device() returns int not acpi_status.

The patch change not to apply ACPI_FAILURE() to the return value of
acpi_bus_get_device().

Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>
---
  drivers/acpi/device_pm.c |    6 +++---
  1 file changed, 3 insertions(+), 3 deletions(-)

Index: linux-pm/drivers/acpi/device_pm.c
===================================================================
--- linux-pm.orig/drivers/acpi/device_pm.c	2013-01-31 11:04:30.000000000 +0900
+++ linux-pm/drivers/acpi/device_pm.c	2013-01-31 11:28:51.366849592 +0900
@@ -213,7 +213,7 @@ int acpi_pm_device_sleep_state(struct de
  	acpi_handle handle = DEVICE_ACPI_HANDLE(dev);
  	struct acpi_device *adev;
  
-	if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) {
+	if (!handle || acpi_bus_get_device(handle, &adev)) {
  		dev_dbg(dev, "ACPI handle without context in %s!\n", __func__);
  		return -ENODEV;
  	}
@@ -290,7 +290,7 @@ int acpi_pm_device_run_wake(struct devic
  		return -EINVAL;
  
  	handle = DEVICE_ACPI_HANDLE(phys_dev);
-	if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) {
+	if (!handle || acpi_bus_get_device(handle, &adev)) {
  		dev_dbg(phys_dev, "ACPI handle without context in %s!\n",
  			__func__);
  		return -ENODEV;
@@ -334,7 +334,7 @@ int acpi_pm_device_sleep_wake(struct dev
  		return -EINVAL;
  
  	handle = DEVICE_ACPI_HANDLE(dev);
-	if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) {
+	if (!handle || acpi_bus_get_device(handle, &adev)) {
  		dev_dbg(dev, "ACPI handle without context in %s!\n", __func__);
  		return -ENODEV;
  	}

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