netdev - Re: [PATCH 2.6.20] ixgb: Use ARRAY

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Date:	Tue, 06 Feb 2007 08:48:05 -0800
From:	Auke Kok <auke-jan.h.kok@...el.com>
To:	"Ahmed S. Darwish" <darwish.07@...il.com>
CC:	Alexey Dobriyan <adobriyan@...il.com>, jeffrey.t.kirsher@...el.com,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 2.6.20] ixgb: Use ARRAY_SIZE macro when appropriate

Ahmed S. Darwish wrote:
> On Mon, Feb 05, 2007 at 12:31:26PM -0800, Auke Kok wrote:
>> Alexey Dobriyan wrote:
>>> On Mon, Feb 05, 2007 at 06:59:33PM +0200, Ahmed S. Darwish wrote:
>>>> A patch to use ARRAY_SIZE macro already defined in kernel.h.
>>> Remove it and use ARRAY_SIZE instead.
>>>
>>>> --- a/drivers/net/ixgb/ixgb_param.c
>>>> +++ b/drivers/net/ixgb/ixgb_param.c
>>>> @@ -245,7 +245,7 @@ ixgb_validate_option(int *value, struct ixgb_option 
>>>> *opt)
>>>> 	return -1;
>>>> }
>>>>
>>>> -#define LIST_LEN(l) (sizeof(l) / sizeof(l[0]))
>>>> +#define LIST_LEN(l) ARRAY_SIZE(l)
>> yes, well spotted. Please change line 338 in this file to read:
>>
>>      .arg  = { .l = { .nr = ARRAY_SIZE(fc_list),
>>
>> instead, so you can remove the LIST_LEN macro completely.
>  
> Thanks, Here's the new patch.
> 
> Use ARRAY_SIZE macro when appropriate.
> 
> Signed-off-by: Ahmed S. Darwish <darwish.07@...il.com>

Acked-by: Auke Kok <auke-jan.h.kok@...el.com>

Cheers,

Auke

> ---
> diff --git a/drivers/net/ixgb/ixgb_param.c b/drivers/net/ixgb/ixgb_param.c
> index b27442a..c38ce73 100644
> --- a/drivers/net/ixgb/ixgb_param.c
> +++ b/drivers/net/ixgb/ixgb_param.c
> @@ -245,8 +245,6 @@ ixgb_validate_option(int *value, struct ixgb_option *opt)
>  	return -1;
>  }
>  
> -#define LIST_LEN(l) (sizeof(l) / sizeof(l[0]))
> -
>  /**
>   * ixgb_check_options - Range Checking for Command Line Parameters
>   * @adapter: board private structure
> @@ -335,7 +333,7 @@ ixgb_check_options(struct ixgb_adapter *adapter)
>  			.name = "Flow Control",
>  			.err  = "reading default settings from EEPROM",
>  			.def  = ixgb_fc_tx_pause,
> -			.arg  = { .l = { .nr = LIST_LEN(fc_list),
> +			.arg  = { .l = { .nr = ARRAY_SIZE(fc_list),
>  					 .p = fc_list }}
>  		};
> 
> 
-
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