From e862131d3cf56a5db53722648c04051c064b22a8 Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Wed, 28 Aug 2019 19:31:20 -0600 Subject: wintun: simplify rename logic --- tun/wintun/wintun_windows.go | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'tun') diff --git a/tun/wintun/wintun_windows.go b/tun/wintun/wintun_windows.go index b558fd6..5624525 100644 --- a/tun/wintun/wintun_windows.go +++ b/tun/wintun/wintun_windows.go @@ -568,12 +568,8 @@ func (wintun *Wintun) InterfaceName() (string, error) { func (wintun *Wintun) SetInterfaceName(ifname string) error { const maxSuffix = 1000 availableIfname := ifname -setloop: for i := 0; ; i++ { err := nci.SetConnectionName(&wintun.cfgInstanceID, availableIfname) - if err == nil { - break - } if err == windows.ERROR_DUP_NAME { duplicateGuid, err2 := iphlpapi.InterfaceGUIDFromAlias(availableIfname) if err2 == nil { @@ -589,13 +585,16 @@ setloop: if err2 == nil { err = nci.SetConnectionName(&wintun.cfgInstanceID, availableIfname) if err == nil { - break setloop + break } } break } } } + if err == nil { + break + } if i > maxSuffix || err != windows.ERROR_DUP_NAME { return fmt.Errorf("NciSetConnectionName failed: %v", err) -- cgit v1.2.3