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Date: Sat, 28 Jul 2007 09:48:58 +1000
From: Paul Mackerras <paulus@samba.org>
To: Yoann Padioleau <padator@wanadoo.fr>
Cc: kernel-janitors@vger.kernel.org, linuxppc-dev@ozlabs.org,
       akpm@linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 12/68] 0 -> NULL, for arch/powerpc
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Yoann Padioleau writes:

> When comparing a pointer, it's clearer to compare it to NULL than to 0.

As other people have said, if you're going to spend time on this,
testing (!buf) is more idiomatic in the kernel than (buf == NULL).

Paul.