linux-kernel - [PATCH 4/5] net: qede: Use FIELD_SIZEOF directly instead of reimplementing its function

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Date:   Wed, 19 Sep 2018 18:26:20 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <davem@...emloft.net>
CC:     <jhs@...atatu.com>, <xiyou.wangcong@...il.com>, <jiri@...nulli.us>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 4/5] net: qede: 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>
---
 drivers/net/ethernet/qlogic/qede/qede.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/qlogic/qede/qede.h b/drivers/net/ethernet/qlogic/qede/qede.h
index 6a4d266..c73839c 100644
--- a/drivers/net/ethernet/qlogic/qede/qede.h
+++ b/drivers/net/ethernet/qlogic/qede/qede.h
@@ -440,7 +440,7 @@ struct qede_fastpath {
 	struct qede_tx_queue	*txq;
 	struct qede_tx_queue	*xdp_tx;
 
-#define VEC_NAME_SIZE	(sizeof(((struct net_device *)0)->name) + 8)
+	#define VEC_NAME_SIZE  (FIELD_SIZEOF(struct net_device, name) + 8)
 	char	name[VEC_NAME_SIZE];
 };
 
-- 
1.7.12.4