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net: iucv: Use FIELD_SIZEOF directly instead of reimplementing its function

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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@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
zhong jiang 2018-09-19 19:32:10 +08:00 committed by David S. Miller
parent 18522108d5
commit 86c85e1fc4
1 changed files with 1 additions and 1 deletions
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net/iucv/af_iucv.c
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@ -48,7 +48,7 @@ static struct iucv_interface *pr_iucv;
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 { \