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Elaborate the failing step when forwarding errors on return

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Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2019-03-04 14:08:13 +01:00 committed by Jason A. Donenfeld
parent 9041d38e2d
commit a1aabb21ae
1 changed files with 3 additions and 3 deletions
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6
tun/tun_windows.go
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@ -59,7 +59,7 @@ func CreateTUN(ifname string) (TUNDevice, error) {
// Interface does not exist or an error occured. Create one.
wt, _, err = wintun.CreateInterface("WireGuard Tunnel Adapter", 0)
if err != nil {
return nil, err
return nil, errors.New("Creating Wintun adapter failed: " + err.Error())
}
} else if err != nil {
// Foreign interface with the same name found.
@ -72,13 +72,13 @@ func CreateTUN(ifname string) (TUNDevice, error) {
err = wt.SetInterfaceName(ifname)
if err != nil {
wt.DeleteInterface(0)
return nil, err
return nil, errors.New("Setting interface name failed: " + err.Error())
}
err = wt.FlushInterface()
if err != nil {
wt.DeleteInterface(0)
return nil, err
return nil, errors.New("Flushing interface failed: " + err.Error())
}
signalNameUTF16, err := windows.UTF16PtrFromString(wt.SignalEventName())