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

[zhong jiang]

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@xxxxxxxxxx>
---
 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..de98a97 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