netdev - Re: [PATCH] genetlink: unify registration functions

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Message-ID: <1384768638.17916.2.camel@jlt4.sipsolutions.net>
Date:	Mon, 18 Nov 2013 10:57:18 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	David Laight <David.Laight@...LAB.COM>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH] genetlink: unify registration functions

On Mon, 2013-11-18 at 09:54 +0000, David Laight wrote:

> Or does ARRAY_SIZE(x) already contain a check that
> sizeof(x) % sizeof(*(x)) is zero?

#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) +
__must_be_array(arr))

__must_be_array() only works for gcc apparently, but that should be good
enough?

johannes

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