linux-kernel - Re: [PATCH v3 1/2] crypto: Implement a generic crypto statistics

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Date:   Wed, 5 Dec 2018 16:04:59 -0800
From:   Eric Biggers <ebiggers@...nel.org>
To:     Corentin Labbe <clabbe@...libre.com>
Cc:     davem@...emloft.net, herbert@...dor.apana.org.au,
        nhorman@...driver.com, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/2] crypto: Implement a generic crypto statistics

Hi Corentin,

On Wed, Sep 19, 2018 at 10:10:54AM +0000, Corentin Labbe wrote:
> +int crypto_dump_reportstat(struct sk_buff *skb, struct netlink_callback *cb)
> +{
> +	struct crypto_alg *alg;
> +	struct crypto_dump_info info;
> +	int err;
> +
> +	if (cb->args[0])
> +		goto out;
> +
> +	cb->args[0] = 1;
> +
> +	info.in_skb = cb->skb;
> +	info.out_skb = skb;
> +	info.nlmsg_seq = cb->nlh->nlmsg_seq;
> +	info.nlmsg_flags = NLM_F_MULTI;
> +
> +	list_for_each_entry(alg, &crypto_alg_list, cra_list) {
> +		err = crypto_reportstat_alg(alg, &info);
> +		if (err)
> +			goto out_err;
> +	}
> +
> +out:
> +	return skb->len;
> +out_err:
> +	return err;
> +}
> +
> +int crypto_dump_reportstat_done(struct netlink_callback *cb)
> +{
> +	return 0;
> +}

How did you test this part?  Hint: these functions are never executed.

- Eric