From 6c50fedd8eecc6cb06d8da47514794eb211d5b3a Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Thu, 18 Jul 2019 12:26:57 +0200
Subject: tun: windows: switch to NDIS device object

---
 tun/tun_windows.go | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'tun/tun_windows.go')

diff --git a/tun/tun_windows.go b/tun/tun_windows.go
index d22e130..21bc382 100644
--- a/tun/tun_windows.go
+++ b/tun/tun_windows.go
@@ -146,13 +146,17 @@ func CreateTUNWithRequestedGUID(ifname string, requestedGUID *windows.GUID) (Dev
 }
 
 func (tun *NativeTun) openTUN() error {
+	filename, err := tun.wt.NdisFileName()
+	if err != nil {
+		return err
+	}
+
 	retries := maybeRetry(retryTimeout * retryRate)
 	if tun.close {
 		return os.ErrClosed
 	}
 
-	var err error
-	name, err := windows.UTF16PtrFromString(tun.wt.DataFileName())
+	name, err := windows.UTF16PtrFromString(filename)
 	if err != nil {
 		return err
 	}
-- 
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