linux-kernel - [PATCH AUTOSEL 4.14 59/67] platform/x86: toshiba_acpi: Fix defined but not used build warnings

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Message-ID: <20180907003716.57737-59-alexander.levin@microsoft.com>
Date:   Fri, 7 Sep 2018 00:38:03 +0000
From:   Sasha Levin <Alexander.Levin@...rosoft.com>
To:     "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Randy Dunlap <rdunlap@...radead.org>,
        Azael Avalos <coproscefalo@...il.com>,
        "platform-driver-x86@...r.kernel.org" 
        <platform-driver-x86@...r.kernel.org>,
        Andy Shevchenko <andy@...radead.org>,
        Darren Hart <dvhart@...radead.org>,
        Sasha Levin <Alexander.Levin@...rosoft.com>
Subject: [PATCH AUTOSEL 4.14 59/67] platform/x86: toshiba_acpi: Fix defined
 but not used build warnings

From: Randy Dunlap <rdunlap@...radead.org>

[ Upstream commit c2e2a618eb7104e18fdcf739d4d911563812a81c ]

Fix a build warning in toshiba_acpi.c when CONFIG_PROC_FS is not enabled
by marking the unused function as __maybe_unused.

../drivers/platform/x86/toshiba_acpi.c:1685:12: warning: 'version_proc_show' defined but not used [-Wunused-function]

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Azael Avalos <coproscefalo@...il.com>
Cc: platform-driver-x86@...r.kernel.org
Cc: Andy Shevchenko <andy@...radead.org>
Signed-off-by: Darren Hart (VMware) <dvhart@...radead.org>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
---
 drivers/platform/x86/toshiba_acpi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index bb1dcd7fbdeb..8221e000c8c2 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -34,6 +34,7 @@
 #define TOSHIBA_ACPI_VERSION	"0.24"
 #define PROC_INTERFACE_VERSION	1
 
+#include <linux/compiler.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
@@ -1682,7 +1683,7 @@ static const struct file_operations keys_proc_fops = {
 	.write		= keys_proc_write,
 };
 
-static int version_proc_show(struct seq_file *m, void *v)
+static int __maybe_unused version_proc_show(struct seq_file *m, void *v)
 {
 	seq_printf(m, "driver:                  %s\n", TOSHIBA_ACPI_VERSION);
 	seq_printf(m, "proc_interface:          %d\n", PROC_INTERFACE_VERSION);
-- 
2.17.1