linux-kernel - Re: crypto-testmgr: Use common error handling code in drbg_cavs

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Date:   Sat, 21 Oct 2017 22:00:23 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Stephan Müller <smueller@...onox.de>,
        linux-crypto@...r.kernel.org
Cc:     "David S. Miller" <davem@...emloft.net>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: crypto-testmgr: Use common error handling code in
 drbg_cavs_test()

> Though, jumping back and forth like this with goto directives is something 
> that looks a bit strange. At least to my taste, may I suggest to have gotos 
> pointing only downwards and not up again? (Note, the same applies to the 
> ansi_cprng patch set).
> 
> What about something like following:
> 
> ...
>     memcmp
>     goto free_rng;

Do you find an additional jump really acceptable at such a source code place?


> report_failure:
>     <failure report>
> 
> free_rng:
>     <the deallocation code>

I am curious on how feedback will evolve also for the other design approach.

Regards,
Markus