wireguard: send/receive: use explicit unlikely branch instead of implicit coalescing

[linux-2.6-microblaze.git] / drivers / net / wireguard / receive.c

diff --git a/drivers/net/wireguard/receive.c b/drivers/net/wireguard/receive.c
index 2566e13..3bb5b9a 100644 (file)
--- a/drivers/net/wireguard/receive.c
+++ b/drivers/net/wireguard/receive.c
@@ -226,21 +226,20 @@ void wg_packet_handshake_receive_worker(struct work_struct *work)
 static void keep_key_fresh(struct wg_peer *peer)
 {
        struct noise_keypair *keypair;
-       bool send = false;
+       bool send;
 
        if (peer->sent_lastminute_handshake)
                return;
 
        rcu_read_lock_bh();
        keypair = rcu_dereference_bh(peer->keypairs.current_keypair);
-       if (likely(keypair && READ_ONCE(keypair->sending.is_valid)) &&
-           keypair->i_am_the_initiator &&
-           unlikely(wg_birthdate_has_expired(keypair->sending.birthdate,
-                       REJECT_AFTER_TIME - KEEPALIVE_TIMEOUT - REKEY_TIMEOUT)))
-               send = true;
+       send = keypair && READ_ONCE(keypair->sending.is_valid) &&
+              keypair->i_am_the_initiator &&
+              wg_birthdate_has_expired(keypair->sending.birthdate,
+                       REJECT_AFTER_TIME - KEEPALIVE_TIMEOUT - REKEY_TIMEOUT);
        rcu_read_unlock_bh();
 
-       if (send) {
+       if (unlikely(send)) {
                peer->sent_lastminute_handshake = true;
                wg_packet_send_queued_handshake_initiation(peer, false);
        }