Re: [PATCH net-next v8 2/3] net: ethernet: ti: Add desc_infos member to struct k3_cppi_desc_pool

From: Jakub Kicinski
Date: Tue Apr 09 2024 - 20:40:05 EST


On Mon, 08 Apr 2024 11:38:03 +0200 Julien Panis wrote:
> goto gen_pool_create_fail;
> }
>
> + pool->desc_infos = kcalloc(pool->num_desc,
> + sizeof(*pool->desc_infos), GFP_KERNEL);
> + if (!pool->desc_infos) {
> + ret = -ENOMEM;
> + dev_err(pool->dev,
> + "pool descriptor infos alloc failed %d\n", ret);

Please don't add errors on mem alloc failures. They just bloat the
kernel, there will be a rather large OOM splat in the logs if GFP_KERNEL
allocation fails.

> + kfree_const(pool_name);
> + goto gen_pool_desc_infos_alloc_fail;
> + }
> +
> pool->gen_pool->name = pool_name;

If you add the new allocation after this line, I think you wouldn't
have to free pool_name under the if () explicitly.
--
pw-bot: cr