linux-kernel - [tip:x86/apic] ACPI: Correct return value of acpi_dev_resource_address

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Date:	Fri, 19 Dec 2014 06:00:33 -0800
From:	tip-bot for Jiang Liu <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	hpa@...or.com, tony.luck@...el.com, bp@...en8.de, lenb@...nel.org,
	joro@...tes.org, benh@...nel.crashing.org, yinghai@...nel.org,
	gregkh@...uxfoundation.org, tglx@...utronix.de, rjw@...ysocki.net,
	jiang.liu@...ux.intel.com, rdunlap@...radead.org,
	bhelgaas@...gle.com, linux-kernel@...r.kernel.org,
	konrad.wilk@...cle.com, mingo@...nel.org
Subject: [tip:x86/apic] ACPI:
  Correct return value of acpi_dev_resource_address_space()

Commit-ID:  6658c739431cfa1bdf15737774ed1cac432b5c35
Gitweb:     http://git.kernel.org/tip/6658c739431cfa1bdf15737774ed1cac432b5c35
Author:     Jiang Liu <jiang.liu@...ux.intel.com>
AuthorDate: Mon, 27 Oct 2014 13:21:35 +0800
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Tue, 16 Dec 2014 14:08:14 +0100

ACPI: Correct return value of acpi_dev_resource_address_space()

Change acpi_dev_resource_address_space() to return failure if the
acpi_resource structure can't be converted to an ACPI address64
structure, so caller could correctly detect failure.

Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
Acked-by: Rafael J. Wysocki <rjw@...ysocki.net>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Joerg Roedel <joro@...tes.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Randy Dunlap <rdunlap@...radead.org>
Cc: Yinghai Lu <yinghai@...nel.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Len Brown <lenb@...nel.org>
Link: http://lkml.kernel.org/r/1414387308-27148-6-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

---
 drivers/acpi/resource.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 2ba8f02..782a0d1 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -200,7 +200,7 @@ bool acpi_dev_resource_address_space(struct acpi_resource *ares,

 	status = acpi_resource_to_address64(ares, &addr);
 	if (ACPI_FAILURE(status))
-		return true;
+		return false;

 	res->start = addr.minimum;
 	res->end = addr.maximum;
--
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