linux-kernel - Re: [PATCH] crypto-jitterentropy: Delete unnecessary checks before the function call "kzfree"

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Message-ID: <20504077.rM6dY01J5R@tauon.atsec.com>
Date:	Wed, 24 Jun 2015 09:54:26 +0200
From:	Stephan Mueller <smueller@...onox.de>
To:	Dan Carpenter <dan.carpenter@...cle.com>
Cc:	SF Markus Elfring <elfring@...rs.sourceforge.net>,
	"David S. Miller" <davem@...emloft.net>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	linux-crypto@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org,
	Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH] crypto-jitterentropy: Delete unnecessary checks before the function call "kzfree"

Am Mittwoch, 24. Juni 2015, 10:48:19 schrieb Dan Carpenter:

Hi Dan,

>The other NULL assignment isn't useful either.  Also If
>"entropy_collector" is NULL then we would oops calling
>kzfree(entropy_collector->mem);
>       ^^^^^^^^^^^^^^^^^^^^^^
>Dereference.
>
>I don't understand the patch that you sent.  We shouldn't be introducing
>jent_zalloc() or jent_zfree().  Why are you adding abstractions there?

The one C file should have no dependencies on any kernel header files. Thus, 
all links to kernel functions are wrapped.

>Quite bad ones as well.

What would you suggest to change?

Thanks.

Ciao
Stephan
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