[PATCH -next] powerpc/papr_scm: Fix warnings about undeclared variable

[Wang Wensheng]

Build the kernel with 'make C=2':
arch/powerpc/platforms/pseries/papr_scm.c:825:1: warning: symbol
'dev_attr_perf_stats' was not declared. Should it be static?

Signed-off-by: Wang Wensheng <wangwensheng4 at huawei.com>
---
 arch/powerpc/platforms/pseries/papr_scm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c
index 5493bc847bd0..a95aa425e7d4 100644
--- a/arch/powerpc/platforms/pseries/papr_scm.c
+++ b/arch/powerpc/platforms/pseries/papr_scm.c
@@ -823,7 +823,7 @@ static ssize_t perf_stats_show(struct device *dev,
 	kfree(stats);
 	return rc ? rc : (ssize_t)seq_buf_used(&s);
 }
-DEVICE_ATTR_ADMIN_RO(perf_stats);
+static DEVICE_ATTR_ADMIN_RO(perf_stats);
 
 static ssize_t flags_show(struct device *dev,
 			  struct device_attribute *attr, char *buf)
-- 
2.25.0