linux-kernel - [PATCH] acpi/mem_hotplug: Use defined marco METHOD_NAME_

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Date:	Wed, 02 Oct 2013 16:27:37 +0800
From:	Zhang Yanfei <zhangyanfei.yes@...il.com>
To:	lenb@...nel.org, "Rafael J . Wysocki" <rjw@...k.pl>
CC:	linux-acpi@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] acpi/mem_hotplug: Use defined marco METHOD_NAME__STA

From: Zhang Yanfei <zhangyanfei@...fujitsu.com>

We already have predefined marco for method name "_STA', so
using the marco instead of directly using the string.

Signed-off-by: Zhang Yanfei <zhangyanfei@...fujitsu.com>
---
 drivers/acpi/acpi_memhotplug.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 999adb5..dc0880d 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -152,8 +152,9 @@ static int acpi_memory_check_device(struct acpi_memory_device *mem_device)
 	unsigned long long current_status;
 
 	/* Get device present/absent information from the _STA */
-	if (ACPI_FAILURE(acpi_evaluate_integer(mem_device->device->handle, "_STA",
-					       NULL, &current_status)))
+	if (ACPI_FAILURE(acpi_evaluate_integer(mem_device->device->handle,
+					       METHOD_NAME__STA, NULL,
+					       &current_status)))
 		return -ENODEV;
 	/*
 	 * Check for device status. Device should be
-- 
1.7.1
--
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