[PATCH net-next] net: tipc: Replace expression with offsetof()

From: Zheng Yongjun
Date: Tue Dec 29 2020 - 08:49:35 EST


Use the existing offsetof() macro instead of duplicating code.

Signed-off-by: Zheng Yongjun <zhengyongjun3@xxxxxxxxxx>
---
net/tipc/monitor.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c
index 6dce2abf436e..48fac3b17e40 100644
--- a/net/tipc/monitor.c
+++ b/net/tipc/monitor.c
@@ -108,7 +108,7 @@ const int tipc_max_domain_size = sizeof(struct tipc_mon_domain);
*/
static int dom_rec_len(struct tipc_mon_domain *dom, u16 mcnt)
{
- return ((void *)&dom->members - (void *)dom) + (mcnt * sizeof(u32));
+ return (offsetof(struct tipc_mon_domain, members)) + (mcnt * sizeof(u32));
}

/* dom_size() : calculate size of own domain based on number of peers
--
2.22.0