Re: [PATCH 1/5] crypto: Fully restore ahash request before completing

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On Fri, Dec 27, 2013 at 01:21:36AM +0100, Marek Vasut wrote:
>
> > > -	complete(data, err);
> > > +	areq->base.complete = complete;
> > > +	areq->base.data = data;
> > > +
> > > +	complete(&areq->base, err);
> > 
> > This looks completely bogus.  While restoring areq isn't wrong per
> > se, calling complete with &areq->base makes no sense.  The original
> > completion data is in the variable "data".
> 
> Is there some documentation for this so I can understand why this is wrong, 
> please? I really don't quite get it, sorry. Actually, is there some 
> documentation for writing crypto API drivers at all please ?

Well it's wrong because the completion function (req->base.complete)
is meant to take data (req->base.data) as its first argument.  So
giving it a pointer to req->base makes no sense.

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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