From: Zheng Yongjun <zhengyongjun3@huawei.com>
Date: Tue, 29 Dec 2020 13:49:04 +0000 (+0800)
Subject: net: tipc: Replace expression with offsetof()
X-Git-Tag: v5.15~1802^2~421
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=520ec34385d57ae18ec034ddc38b4b3425b2742b;p=mirror_ubuntu-kernels.git

net: tipc: Replace expression with offsetof()

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

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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