diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c
index 43519afb9eb7..70a4b64fb8ea 100644
--- a/mm/damon/sysfs.c
+++ b/mm/damon/sysfs.c
@@ -2607,7 +2607,8 @@ static int damon_sysfs_turn_damon_on(struct damon_sysfs_kdamond *kdamond)
 	repeat_call_control->data = kdamond;
 	repeat_call_control->repeat = true;
 	repeat_call_control->dealloc_on_cancel = true;
-	if (damon_call(ctx, repeat_call_control))
+	err = damon_call(ctx, repeat_call_control);
+	if (err)
 		kfree(repeat_call_control);
 	return err;
 }