linux-kernel - [PATCH] x86/apm: Fix a unused function warning

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Message-ID: <1537164066-39990-1-git-send-email-zhongjiang@huawei.com>
Date:   Mon, 17 Sep 2018 14:01:06 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <tglx@...utronix.de>, <mingo@...hat.com>, <jikos@...nel.org>
CC:     <hpa@...or.com>, <x86@...nel.org>, <rafael.j.wysocki@...el.com>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86/apm: Fix a unused function warning

Fix the following compile warning:

arch/x86/kernel/apm_32.c:1643:12: warning: proc_apm_show defined but not used [-Wunused-function]
 static int proc_apm_show(struct seq_file *m, void *v)

Signed-off-by: zhong jiang <zhongjiang@...wei.com>
---
 arch/x86/kernel/apm_32.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index ec00d1f..f7151cd 100644
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -1640,6 +1640,7 @@ static int do_open(struct inode *inode, struct file *filp)
 	return 0;
 }
 
+#ifdef CONFIG_PROC_FS
 static int proc_apm_show(struct seq_file *m, void *v)
 {
 	unsigned short	bx;
@@ -1719,6 +1720,7 @@ static int proc_apm_show(struct seq_file *m, void *v)
 		   units);
 	return 0;
 }
+#endif
 
 static int apm(void *unused)
 {
-- 
1.7.12.4