linux-kernel - Re: [Xen-devel] [PATCH 09/10] xen/swiotlb: Fix compile warnings when using plain integer instead of NULL pointer.

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Date:	Thu, 13 Sep 2012 17:00:32 +0100
From:	Ian Jackson <Ian.Jackson@...citrix.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	linux-kernel@...r.kernel.org, xen-devel@...ts.xensource.com,
	stefano.stabellini@...citrix.com
Subject: Re: [Xen-devel] [PATCH 09/10] xen/swiotlb: Fix compile warnings when
	using plain integer instead of NULL pointer.

Ian Jackson writes ("Re: [Xen-devel] [PATCH 09/10] xen/swiotlb: Fix compile warnings when using plain integer instead of NULL pointer."):
> Oh wait this is Linux kernel code, not in Xen?  Still,
> Documentation/CodingStyle doesn't say that NULL is required.

Someone on irc found me this rant from Linus:
  https://lkml.org/lkml/2004/7/8/7
That suggests that perhaps someone should patch CodingStyle to
document this style requirement.

That someone shouldn't be me because I don't agree with the
requirement and a rationale I'd write for it would come out sounding
sarcastic.

Ian.
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