linux-kernel - Re: [PATCH] x86: DS cleanup

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Date:	Tue, 29 Apr 2008 11:50:15 +0400
From:	"Cyrill Gorcunov" <gorcunov@...il.com>
To:	"David Newall" <davidn@...idnewall.com>
Cc:	"Ingo Molnar" <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	"Markus Metzger" <markus.t.metzger@...el.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86: DS cleanup - dont treat 0 as NULL

On Tue, Apr 29, 2008 at 10:23 AM, David Newall <davidn@...idnewall.com> wrote:
> Cyrill Gorcunov wrote:
>  > -                     return 0;
>  > +                     return NULL;
>
>  Why?  The constant 0 is C's official symbol for a null pointer.
>

Yes, but by using NULL explicilty allows you to separate _pointers_ from
numbers on review process. Or maybe you wanna drop NULL at all? I dont
think you will like that ;)
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