Linux cryptographic layer development
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From: Herbert Xu <herbert@gondor.apana.org.au>
To: "Stephan Müller" <smueller@chronox.de>
Cc: linux-crypto@vger.kernel.org
Subject: Re: [PATCH v10 1/2] crypto: skcipher AF_ALG - overhaul memory management
Date: Fri, 23 Jun 2017 14:10:48 +0800	[thread overview]
Message-ID: <20170623061048.GA28869@gondor.apana.org.au> (raw)
In-Reply-To: <8143872.gWNkduROBH@positron.chronox.de>

On Wed, Jun 21, 2017 at 10:03:02PM +0200, Stephan Müller wrote:
>
> +	/* convert iovecs of output buffers into RX SGL */
> +	while (len < ctx->used && msg_data_left(msg)) {

How are we supposed to reach the wait path when ctx->used == 0?

> +		/*
> +		 * This error covers -EIOCBQUEUED which implies that we can
> +		 * only handle one AIO request. If the caller wants to have
> +		 * multiple AIO requests in parallel, he must make multiple
> +		 * separate AIO calls.
> +		 */
> +		if (err < 0) {
> +			if (err == -EIOCBQUEUED)
> +				ret = err;
> +			goto out;
>  		}
> +		if (!err)
> +			goto out;

You can combine the two now as err <= 0.

Thanks,
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

  reply	other threads:[~2017-06-23  6:11 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-21 20:02 [PATCH v10 0/2] crypto: AF_ALG memory management fix Stephan Müller
2017-06-21 20:03 ` [PATCH v10 1/2] crypto: skcipher AF_ALG - overhaul memory management Stephan Müller
2017-06-23  6:10   ` Herbert Xu [this message]
2017-06-23  9:06     ` Stephan Müller
2017-06-25 15:01       ` Stephan Müller
2017-06-21 20:03 ` [PATCH v10 2/2] crypto: aead " Stephan Müller

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