From c97dd4ad28c167b09e0b3ea9d26d41128085273e Mon Sep 17 00:00:00 2001
From: Arceliar <Arceliar@users.noreply.github.com>
Date: Mon, 26 Aug 2019 00:38:14 -0500
Subject: [PATCH] fix dial bug

---
 src/tuntap/iface.go   | 38 ++++++++++++++++++++------------------
 src/yggdrasil/link.go |  2 +-
 2 files changed, 21 insertions(+), 19 deletions(-)

diff --git a/src/tuntap/iface.go b/src/tuntap/iface.go
index 16e8d25..da41936 100644
--- a/src/tuntap/iface.go
+++ b/src/tuntap/iface.go
@@ -247,24 +247,26 @@ func (tun *TunAdapter) _handlePacket(recvd []byte, err error) {
 		}
 		if !known {
 			go func() {
-				if conn, err := tun.dialer.DialByNodeIDandMask(dstNodeID, dstNodeIDMask); err == nil {
-					tun.RecvFrom(nil, func() {
-						// We've been given a connection so prepare the session wrapper
-						packets := tun.dials[*dstNodeID]
-						delete(tun.dials, *dstNodeID)
-						var tc *tunConn
-						var err error
-						if tc, err = tun._wrap(conn); err != nil {
-							// Something went wrong when storing the connection, typically that
-							// something already exists for this address or subnet
-							tun.log.Debugln("TUN/TAP iface wrap:", err)
-							return
-						}
-						for _, packet := range packets {
-							tc.writeFrom(nil, packet)
-						}
-					})
-				}
+				conn, err := tun.dialer.DialByNodeIDandMask(dstNodeID, dstNodeIDMask)
+				tun.RecvFrom(nil, func() {
+					packets := tun.dials[*dstNodeID]
+					delete(tun.dials, *dstNodeID)
+					if err != nil {
+						return
+					}
+					// We've been given a connection so prepare the session wrapper
+					var tc *tunConn
+					if tc, err = tun._wrap(conn); err != nil {
+						// Something went wrong when storing the connection, typically that
+						// something already exists for this address or subnet
+						tun.log.Debugln("TUN/TAP iface wrap:", err)
+						return
+					}
+					for _, packet := range packets {
+						tc.writeFrom(nil, packet)
+					}
+				})
+				return
 			}()
 		}
 	}
diff --git a/src/yggdrasil/link.go b/src/yggdrasil/link.go
index 548f534..8fbd031 100644
--- a/src/yggdrasil/link.go
+++ b/src/yggdrasil/link.go
@@ -252,7 +252,7 @@ const (
 // notify the intf that we're currently sending
 func (intf *linkInterface) notifySending(size int, isLinkTraffic bool) {
 	intf.RecvFrom(nil, func() {
-		if !isLinkTraffic && size > 0 {
+		if !isLinkTraffic {
 			intf.inSwitch = false
 		}
 		intf.sendTimer = time.AfterFunc(sendBlockedTime, intf.notifyBlockedSend)