From d3dd991e4e6f670c5daba9ba81aaa226b85eb200 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Thu, 18 Apr 2019 23:22:03 +0900
Subject: device: send: check packet length before freeing element

---
 device/send.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'device/send.go')

diff --git a/device/send.go b/device/send.go
index b4e23c7..ccb28da 100644
--- a/device/send.go
+++ b/device/send.go
@@ -601,6 +601,9 @@ func (peer *Peer) RoutineSequentialSender() {
 
 			length := uint64(len(elem.packet))
 			err := peer.SendBuffer(elem.packet)
+			if len(elem.packet) != MessageKeepaliveSize {
+				peer.timersDataSent()
+			}
 			device.PutMessageBuffer(elem.buffer)
 			device.PutOutboundElement(elem)
 			if err != nil {
@@ -609,9 +612,6 @@ func (peer *Peer) RoutineSequentialSender() {
 			}
 			atomic.AddUint64(&peer.stats.txBytes, length)
 
-			if len(elem.packet) != MessageKeepaliveSize {
-				peer.timersDataSent()
-			}
 			peer.keepKeyFreshSending()
 		}
 	}
-- 
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