diff --git a/drivers/staging/xillybus/xillybus_core.c b/drivers/staging/xillybus/xillybus_core.c
index efc56987a60b53a0a409277da639a95b128f5304..7db6f03a00540cd8c2a131ab7039fec6251b72cc 100644
--- a/drivers/staging/xillybus/xillybus_core.c
+++ b/drivers/staging/xillybus/xillybus_core.c
@@ -2054,7 +2054,7 @@ static int xillybus_init_chrdev(struct xilly_endpoint *endpoint,
 				       NULL,
 				       MKDEV(major, i),
 				       NULL,
-				       devname);
+				       "%s", devname);
 
 		if (IS_ERR(device)) {
 			pr_warn("xillybus: Failed to create %s "