
< 	new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
---
> 	new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
> 	if (!new_coalesce.rules) {
> 		err = -ENOMEM;
> 		goto out;
> 	}
