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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Frank Werner-Krippendorf <mail@hb9fxq.ch>
Date: Tue, 23 Jun 2020 03:59:44 -0600
Subject: [PATCH] wireguard: noise: do not assign initiation time in if
condition
commit 558b353c9c2a717509f291c066c6bd8f5f5e21be upstream.
Fixes an error condition reported by checkpatch.pl which caused by
assigning a variable in an if condition in wg_noise_handshake_consume_
initiation().
Signed-off-by: Frank Werner-Krippendorf <mail@hb9fxq.ch>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
drivers/net/wireguard/noise.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/net/wireguard/noise.c
+++ b/drivers/net/wireguard/noise.c
@@ -617,8 +617,8 @@ wg_noise_handshake_consume_initiation(st
memcpy(handshake->hash, hash, NOISE_HASH_LEN);
memcpy(handshake->chaining_key, chaining_key, NOISE_HASH_LEN);
handshake->remote_index = src->sender_index;
- if ((s64)(handshake->last_initiation_consumption -
- (initiation_consumption = ktime_get_coarse_boottime_ns())) < 0)
+ initiation_consumption = ktime_get_coarse_boottime_ns();
+ if ((s64)(handshake->last_initiation_consumption - initiation_consumption) < 0)
handshake->last_initiation_consumption = initiation_consumption;
handshake->state = HANDSHAKE_CONSUMED_INITIATION;
up_write(&handshake->lock);
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