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

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Message-ID: <5109E2AF.2000107@jp.fujitsu.com>
Date:	Thu, 31 Jan 2013 12:19:11 +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>, <daniel.vetter@...ll.ch>,
	<airlied@...ux.ie>, <dri-devel@...ts.freedesktop.org>
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/gpu/drm/i915/intel_opregion.c |    2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-pm/drivers/gpu/drm/i915/intel_opregion.c
===================================================================
--- linux-pm.orig/drivers/gpu/drm/i915/intel_opregion.c	2013-01-31 11:39:37.075849905 +0900
+++ linux-pm/drivers/gpu/drm/i915/intel_opregion.c	2013-01-31 11:52:18.796850274 +0900
@@ -347,7 +347,7 @@ static void intel_didl_outputs(struct dr
  	int i = 0;
  
  	handle = DEVICE_ACPI_HANDLE(&dev->pdev->dev);
-	if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &acpi_dev)))
+	if (!handle || acpi_bus_get_device(handle, &acpi_dev))
  		return;
  
  	if (acpi_is_video_device(acpi_dev))

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