Re: [PATCH v2 08/10] crypto: caam - add crypto_engine support for AEAD algorithms

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On 1/3/2020 3:04 AM, Iuliana Prodan wrote:
> +struct caam_aead_req_ctx {
> +	struct aead_edesc *edesc;
> +	void (*aead_op_done)(struct device *jrdev, u32 *desc, u32 err,
> +			     void *context);
Similar with skcipher, aead_op_done is not needed since aead_crypt_done
is the only callback used.

> +static int aead_enqueue_req(struct device *jrdev, u32 *desc,
> +			    void (*cbk)(struct device *jrdev, u32 *desc,
> +					u32 err, void *context),
> +			    struct aead_request *req, struct aead_edesc *edesc)
cbk parameter is not used.

> +{
> +	struct caam_drv_private_jr *jrpriv = dev_get_drvdata(jrdev);
> +	int ret;
> +
> +	if (req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)
> +		return crypto_transfer_aead_request_to_engine(jrpriv->engine,
> +								  req);
Resources leak in case of failure.

> +	else
> +		ret = caam_jr_enqueue(jrdev, desc, aead_crypt_done,
> +				      &edesc->jrentry);
Need to justify why only some requests are transferred to crypto engine.

Horia




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