netdev - [PATCH net-next] netlink: simplify nl_set_extack_cookie_u64(), nl_set_extack_cookie

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Date:   Sat, 17 Apr 2021 14:38:07 +0300
From:   Alexey Dobriyan <adobriyan@...il.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, johannes.berg@...el.com
Subject: [PATCH net-next] netlink: simplify nl_set_extack_cookie_u64(),
 nl_set_extack_cookie_u32()

Taking address of a function argument directly works just fine.

Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---

 include/linux/netlink.h |   12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -129,23 +129,19 @@ struct netlink_ext_ack {
 static inline void nl_set_extack_cookie_u64(struct netlink_ext_ack *extack,
 					    u64 cookie)
 {
-	u64 __cookie = cookie;
-
 	if (!extack)
 		return;
-	memcpy(extack->cookie, &__cookie, sizeof(__cookie));
-	extack->cookie_len = sizeof(__cookie);
+	memcpy(extack->cookie, &cookie, sizeof(cookie));
+	extack->cookie_len = sizeof(cookie);
 }
 
 static inline void nl_set_extack_cookie_u32(struct netlink_ext_ack *extack,
 					    u32 cookie)
 {
-	u32 __cookie = cookie;
-
 	if (!extack)
 		return;
-	memcpy(extack->cookie, &__cookie, sizeof(__cookie));
-	extack->cookie_len = sizeof(__cookie);
+	memcpy(extack->cookie, &cookie, sizeof(cookie));
+	extack->cookie_len = sizeof(cookie);
 }
 
 void netlink_kernel_release(struct sock *sk);