diff --git a/arch/arm64/kernel/mpam/mpam_ctrlmon.c b/arch/arm64/kernel/mpam/mpam_ctrlmon.c
index 4acf9234c3a567e5baa4b165e1ffb6b563e32a7c..b1d32d432556c1d6fda6948cb60d605196ce1abb 100644
--- a/arch/arm64/kernel/mpam/mpam_ctrlmon.c
+++ b/arch/arm64/kernel/mpam/mpam_ctrlmon.c
@@ -74,6 +74,7 @@ static int add_schema(enum resctrl_conf_type t, struct resctrl_resource *r)
 		suffix = "";
 		break;
 	default:
+		kfree(s);
 		return -EINVAL;
 	}