linux-kernel - [PATCH] acpi: Fix unused variable warning in sbs.c

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Date:	Sun, 3 Jan 2010 19:27:56 +0600
From:	Rakib Mullick <rakib.mullick@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Len Brown <lenb@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alexey Starikovskiy <astarikovskiy@...e.de>
Subject: [PATCH] acpi: Fix unused variable warning in sbs.c

 Fix unused variabled warning.

When CONFIG_ACPI_SYSFS_POWER=n and CONFIG_ACPI_PROCFS_POWER=n, then
we're warned by the following warning:

drivers/acpi/sbs.c: In function `acpi_battery_remove':
drivers/acpi/sbs.c:825: warning: unused variable `battery'


Signed-off-by: Rakib Mullick <rakib.mullick@...il.com>
---

--- linus/drivers/acpi/sbs.c	2009-12-28 12:37:29.000000000 +0600
+++ rakib/drivers/acpi/sbs.c	2010-01-03 11:29:07.000000000 +0600
@@ -822,7 +822,10 @@ static int acpi_battery_add(struct acpi_

 static void acpi_battery_remove(struct acpi_sbs *sbs, int id)
 {
+#if defined(CONFIG_ACPI_SYSFS_POWER) || defined(CONFIG_ACPI_PROCFS_POWER)
 	struct acpi_battery *battery = &sbs->battery[id];
+#endif
+
 #ifdef CONFIG_ACPI_SYSFS_POWER
 	if (battery->bat.dev) {
 		if (battery->have_sysfs_alarm)
--
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