[PATCH -next] powerpc/eeh: fix compile warning with CONFIG_PROC_FS=n

[Yang Yingliang]

Fix the compile warning:

arch/powerpc/kernel/eeh.c:1639:12: error: 'proc_eeh_show' defined but not used [-Werror=unused-function]
 static int proc_eeh_show(struct seq_file *m, void *v)

Reported-by: Hulk Robot <hulkci at huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang at huawei.com>
---
 arch/powerpc/kernel/eeh.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index 94682382fc8c..420c3c25c6e7 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -1636,6 +1636,7 @@ int eeh_pe_inject_err(struct eeh_pe *pe, int type, int func,
 }
 EXPORT_SYMBOL_GPL(eeh_pe_inject_err);
 
+#ifdef CONFIG_PROC_FS
 static int proc_eeh_show(struct seq_file *m, void *v)
 {
 	if (!eeh_enabled()) {
@@ -1662,6 +1663,7 @@ static int proc_eeh_show(struct seq_file *m, void *v)
 
 	return 0;
 }
+#endif
 
 #ifdef CONFIG_DEBUG_FS
 static int eeh_enable_dbgfs_set(void *data, u64 val)
-- 
2.25.1