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

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Message-ID: <nycvar.YFH.7.76.1704082020530.14011@n3.vanv.qr>
Date:   Sat, 8 Apr 2017 20:21:56 +0200 (CEST)
From:   Jan Engelhardt <jengelh@...i.de>
To:     Arushi Singhal <arushisinghal19971997@...il.com>
cc:     pablo@...filter.org, 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 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.