linux-kernel - Re: [PATCH 2/2] crypto: bcm: One function call less in do

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Date:   Thu, 22 Feb 2018 21:42:31 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:     linux-crypto@...r.kernel.org,
        Arvind Yadav <arvind.yadav.cs@...il.com>,
        Colin Ian King <colin.king@...onical.com>,
        "David S. Miller" <davem@...emloft.net>,
        Rob Rice <rob.rice@...adcom.com>,
        Steve Lin <steven.lin1@...adcom.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 2/2] crypto: bcm: One function call less in do_shash()
 after error detection

On Wed, Feb 14, 2018 at 10:40:26PM +0100, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Wed, 14 Feb 2018 22:22:20 +0100
> 
> The kfree() function was called in one case by the do_shash() function
> during error handling even if the passed variable contained a null pointer.
> 
> * Reorder two function calls at the end.
> 
> * Add a jump target.

This patch is pointless as kfree on NULL is a no-op.

Cheers,
-- 
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