diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index c2e7c07c9d5c..39ee32688eac 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -1366,7 +1366,7 @@ out:
 	sess_data->result = rc;
 }
 
-int select_sec(struct cifs_ses *ses, struct sess_data *sess_data)
+static int select_sec(struct cifs_ses *ses, struct sess_data *sess_data)
 {
 	int type;