netdev - [RESEND PATCH 2/5] net: sched: Use FIELD_SIZEOF directly instead of reimplementing its function

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Message-ID: <1537356734-51676-3-git-send-email-zhongjiang@huawei.com>
Date:   Wed, 19 Sep 2018 19:32:11 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <davem@...emloft.net>
CC:     <ubraun@...ux.ibm.com>, <jwi@...ux.ibm.com>, <jhs@...atatu.com>,
        <xiyou.wangcong@...il.com>, <Ariel.Elior@...ium.com>,
        <everest-linux-l2@...ium.com>, <grygorii.strashko@...com>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <borntraeger@...ibm.com>
Subject: [RESEND PATCH 2/5] net: sched: Use FIELD_SIZEOF directly instead of reimplementing its function

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/sched/cls_flower.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 4b8dd37..9aada2d 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -993,7 +993,7 @@ static int fl_init_mask_hashtable(struct fl_flow_mask *mask)
 }
 
 #define FL_KEY_MEMBER_OFFSET(member) offsetof(struct fl_flow_key, member)
-#define FL_KEY_MEMBER_SIZE(member) (sizeof(((struct fl_flow_key *) 0)->member))
+#define FL_KEY_MEMBER_SIZE(member) FIELD_SIZEOF(struct fl_flow_key, member)
 
 #define FL_KEY_IS_MASKED(mask, member)						\
 	memchr_inv(((char *)mask) + FL_KEY_MEMBER_OFFSET(member),		\
-- 
1.7.12.4