diff options
Diffstat (limited to 'tun/tun_windows.go')
| -rw-r--r-- | tun/tun_windows.go | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tun/tun_windows.go b/tun/tun_windows.go index c17f6d1..b352cd1 100644 --- a/tun/tun_windows.go +++ b/tun/tun_windows.go @@ -71,6 +71,8 @@ func CreateTUN(ifname string) (TUNDevice, error) { if err != nil { return nil, fmt.Errorf("Unable to delete already existing Wintun interface: %v", err) } + } else if err == windows.ERROR_ALREADY_EXISTS { + return nil, fmt.Errorf("Foreign network interface with the same name exists") } wt, _, err = wintun.CreateInterface("WireGuard Tunnel Adapter", 0) if err != nil { |