linux-kernel - Re: [PATCH v3 9/9] zram: use crypto decompress

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Date:	Fri, 25 Sep 2015 16:51:14 +0900
From:	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:	Joonsoo Kim <iamjoonsoo.kim@....com>
Cc:	Minchan Kim <minchan@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Nitin Gupta <ngupta@...are.org>,
	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
	linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	Stephan Mueller <smueller@...onox.de>
Subject: Re: [PATCH v3 9/9] zram: use crypto decompress_noctx API

On (09/25/15 14:46), Joonsoo Kim wrote:
[..]
> > >  struct zcomp_strm *zcomp_decompress_begin(struct zcomp *comp)
> > >  {
> > > +	if (comp->tfm_noctx)
> > > +		return NULL;
> > 
> > Hmm,, I understand why returns NULL but it seems to be awkward to use NULL
> > to express meaningful semantic and following functions relies on.
> > If I have a time, I will think over.
> 
> I also think that it's not good thing but I can't think any better
> idea. Please let me know if you have better one.

yeah, me neither.

	-ss
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