linux-kernel - Re: [PATCH 1/2] s390: vmlogrdr: Use ARRAY_SIZE instead of reimplementing its function

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Date:   Sat, 8 Sep 2018 15:00:55 +0200
From:   Jean Delvare <jdelvare@...e.de>
To:     zhong jiang <zhongjiang@...wei.com>
Cc:     <schwidefsky@...ibm.com>, <heiko.carstens@...ibm.com>,
        <jwi@...ux.ibm.com>, <ubraun@...ux.ibm.com>,
        <linux-s390@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] s390: vmlogrdr: Use ARRAY_SIZE instead of
 reimplementing its function

On Sat, 8 Sep 2018 18:26:27 +0800, zhong jiang wrote:
> ARRAY_SIZE has implemented its function. we prefer to use the function
> rather than the open code.
> 
> Signed-off-by: zhong jiang <zhongjiang@...wei.com>
> ---
>  drivers/s390/char/vmlogrdr.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
> index 069b9ef..58333cb 100644
> --- a/drivers/s390/char/vmlogrdr.c
> +++ b/drivers/s390/char/vmlogrdr.c
> @@ -153,7 +153,7 @@ static void vmlogrdr_iucv_message_pending(struct iucv_path *,
>  	}
>  };
>  
> -#define MAXMINOR  (sizeof(sys_ser)/sizeof(struct vmlogrdr_priv_t))
> +#define MAXMINOR  ARRAY_SIZE(sys_ser)
>  
>  static char FENCE[] = {"EOR"};
>  static int vmlogrdr_major = 0;

Reviewed-by: Jean Delvare <jdelvare@...e.de>

-- 
Jean Delvare
SUSE L3 Support