From c803ce1e5bd7723274500226ee56395a50c3ab8f Mon Sep 17 00:00:00 2001
From: Jordan Whited <jordan@tailscale.com>
Date: Thu, 27 Jun 2024 09:06:40 -0700
Subject: [PATCH] device: fix missed return of QueueOutboundElementsContainer
 to its WaitPool

Fixes: 3bb8fec ("conn, device, tun: implement vectorized I/O plumbing")
Reviewed-by: Brad Fitzpatrick <bradfitz@tailscale.com>
Signed-off-by: Jordan Whited <jordan@tailscale.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
 device/send.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/device/send.go b/device/send.go
index 7eca099..a00e2bb 100644
--- a/device/send.go
+++ b/device/send.go
@@ -568,6 +568,7 @@ func (peer *Peer) RoutineSequentialSender(maxBatchSize int) {
 				device.PutMessageBuffer(elem.buffer)
 				device.PutOutboundElement(elem)
 			}
+			device.PutOutboundElementsContainer(elemsContainer)
 			continue
 		}
 		dataSent := false