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

[zhong jiang]

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 <zhongji...@huawei.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