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Date:	Wed, 16 Apr 2008 18:12:21 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	allan.stephens@...driver.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 1/7 net-2.6.26] [TIPC]: Remove inlining of reference
 table locking routines

From: "Stephens, Allan" <allan.stephens@...driver.com>
Date: Wed, 16 Apr 2008 07:06:21 -0700

> Does your preference for use of the "!ptr" style also apply to
> non-pointer variables?  (For example, do you also prefer to see
> "!count" rather than "count == 0"?)  I'm asking because I've
> received conflicting guidance in the past (not from you, of course),
> which gave me the impression that the "ptr == NULL" form was the way
> the Linux kernel gatekeepers wanted to see things done.

I'm mostly ambivalent about that particular case.

But if I had to choose I'd say use "== 0" because
that is an easy way to visually distinguish pointer
NULL checks vs. integer zero ones without having
to know or see the type of the variable.
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