linux-kernel - Re: [PATCH] net: netfilter: Replace explicit NULL comparisons

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Message-ID: <20170408201438.GC2679@salvia>
Date:   Sat, 8 Apr 2017 22:14:38 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     Jan Engelhardt <jengelh@...i.de>
Cc:     Arushi Singhal <arushisinghal19971997@...il.com>,
        Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
        "David S. Miller" <davem@...emloft.net>,
        netfilter-devel@...r.kernel.org, coreteam@...filter.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: netfilter: Replace explicit NULL comparisons

On Sat, Apr 08, 2017 at 08:21:56PM +0200, Jan Engelhardt wrote:
> On Saturday 2017-04-08 19:21, Arushi Singhal wrote:
> 
> >Replace explicit NULL comparison with ! operator to simplify code.
> 
> I still wouldn't do this, for the same reason as before. Comparing to 
> NULL explicitly more or less gave an extra guarantee that the other 
> operand was also a pointer.

Arushi, where does it say in the coding style that this is prefered?