[PATCH -next] nvdimm: make security_show() static

[Yang Li]

This symbol is not used outside of dimm_devs.c, so marks it
static to silence missing prototype warning

drivers/nvdimm/dimm_devs.c:352:9: warning: no previous prototype for function 'security_show'

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3362
Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Signed-off-by: Yang Li <yang.lee@xxxxxxxxxxxxxxxxx>
---
 drivers/nvdimm/dimm_devs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvdimm/dimm_devs.c b/drivers/nvdimm/dimm_devs.c
index 17b56171c2c2..71fef964c5bc 100644
--- a/drivers/nvdimm/dimm_devs.c
+++ b/drivers/nvdimm/dimm_devs.c
@@ -349,7 +349,7 @@ static ssize_t available_slots_show(struct device *dev,
 }
 static DEVICE_ATTR_RO(available_slots);
 
-ssize_t security_show(struct device *dev,
+static ssize_t security_show(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
 	struct nvdimm *nvdimm = to_nvdimm(dev);
-- 
2.20.1.7.g153144c