linux-kernel - Re: [PATCH 1/5] net: iucv: Use FIELD_SIZEOF directly instead of reimplementing its function

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Message-ID: <5BA233CB.3070401@huawei.com>
Date:   Wed, 19 Sep 2018 19:32:27 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     Christian Borntraeger <borntraeger@...ibm.com>
CC:     <davem@...emloft.net>, <jhs@...atatu.com>,
        <xiyou.wangcong@...il.com>, <jiri@...nulli.us>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Ursula Braun <ubraun@...ux.ibm.com>,
        Julian Wiedmann <jwi@...ux.ibm.com>
Subject: Re: [PATCH 1/5] net: iucv: Use FIELD_SIZEOF directly instead of reimplementing
 its function

On 2018/9/19 19:21, Christian Borntraeger wrote:
> Can you please copy Ursula and Julian for iucv related patches?
Thanks, Maybe I forget cc more maintainer. So I will resend in v2.

Sincerely,
zhong jiang
> On 09/19/2018 12:26 PM, zhong jiang wrote:
>> FIELD_SIZEOF is defined as a macro to calculate the specified value. Therefore,
>> We prefer to use the macro rather than calculating its value.
>>
>> Signed-off-by: zhong jiang <zhongjiang@...wei.com>
>> ---
>>  net/iucv/af_iucv.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
>> index e2f16a0..5b68ee9 100644
>> --- a/net/iucv/af_iucv.c
>> +++ b/net/iucv/af_iucv.c
>> @@ -48,7 +48,7 @@
>>  static const u8 iprm_shutdown[8] =
>>  	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01};
>>  
>> -#define TRGCLS_SIZE	(sizeof(((struct iucv_message *)0)->class))
>> +#define TRGCLS_SIZE	FIELD_SIZEOF(struct iucv_message, class)
>>  
>>  #define __iucv_sock_wait(sk, condition, timeo, ret)			\
>>  do {									\
>>
>
>