1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index ca8e1c240c3..064d3003ed2 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -577,7 +577,7 @@ static int __unset_registered(struct device *dev, void *data)
         return 0;
 }
 
-void css_schedule_eval_all_unreg(void)
+static void css_schedule_eval_all_unreg(void)
 {
         unsigned long flags;
         struct idset *unreg_set;