linux-kernel - Re: [PATCH] crypto : async implementation for sha1-mb

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Message-ID: <20160613082202.GA7148@gondor.apana.org.au>
Date:	Mon, 13 Jun 2016 16:22:02 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Megha Dey <megha.dey@...el.com>
Cc:	tim.c.chen@...ux.intel.com, davem@...emloft.net,
	linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
	fenghua.yu@...el.com, Megha Dey <megha.dey@...ux.intel.com>
Subject: Re: [PATCH] crypto : async implementation for sha1-mb

On Tue, Jun 07, 2016 at 11:14:42AM -0700, Megha Dey wrote:
>
> -	desc->tfm = child;
> -	desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
> +	ahash_request_set_tfm(desc, child);
> +	ahash_request_set_callback(desc, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL);

Why are the callbacks set to NULL/NULL? The child is async so you
should have a valid callback function here.

Instead of continuing to do the broken callback handling outside
of the API (i.e., rctx->complete) please use the API mechanism that
is provided for this purpose.

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