diff --git a/drivers/staging/most/configfs.c b/drivers/staging/most/configfs.c
index 934fb6d668a59..1d8bf29e0ffb4 100644
--- a/drivers/staging/most/configfs.c
+++ b/drivers/staging/most/configfs.c
@@ -31,7 +31,7 @@ struct mdev_link {
 	char comp_params[PAGE_SIZE];
 };
 
-struct list_head mdev_link_list;
+static struct list_head mdev_link_list;
 
 static int set_cfg_buffer_size(struct mdev_link *link)
 {