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Message-ID: <4ED3A44B.8060907@grandegger.com>
Date: Mon, 28 Nov 2011 16:10:03 +0100
From: Wolfgang Grandegger <wg@...ndegger.com>
To: Marc Kleine-Budde <mkl@...gutronix.de>
CC: David Laight <David.Laight@...LAB.COM>, netdev@...r.kernel.org,
linux-can@...r.kernel.org, socketcan-users@...ts.berlios.de,
IreneV <boir1@...dex.ru>,
Stanislav Yelenskiy <stanislavelensky@...oo.com>
Subject: Re: [PATCH net-next v2 2/4] can: cc770: add legacy ISA bus driver
for the CC770 and AN82527
On 11/28/2011 03:09 PM, Marc Kleine-Budde wrote:
> On 11/28/2011 03:03 PM, David Laight wrote:
>>>>> + for (idx = 0; idx < MAXDEV; idx++) {
>>>> ARRAY_SIZE?
>>>
>>> Well, I think ARRAY_SIZE is useful to derive the number of
>>> elements from a static array of the type:
>>>
>>> static const int array[] = { 1, 2, 3, 4, }
>>>
>>> but not if its declared as:
>>>
>>> static array[MAXDEV]:
>>>
>>> ... or have I missed something?
>>
>> Yes - if you use ARRAY_SIZE() then someone reading the code
>> doesn't need to find the array definition to ensure the loop
>> upper bound is correct.
>
> Yep, that
> was my intention, too.
OK, I see, and as we are all just human beings ...
Wolfgang.
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