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authorJason A. Donenfeld <Jason@zx2c4.com>2019-05-10 16:59:24 +0200
committerJason A. Donenfeld <Jason@zx2c4.com>2019-05-10 16:59:24 +0200
commitf9dcfccbb7f918d699c0a922f3b8638c366516b4 (patch)
tree8c5d6c764faa30f19fef24a376e8c9a840be31df /tun
parent7e962a9932667f4a161b20aba5ff1c75ab8e578a (diff)
wintun: fix scope of error object
Diffstat (limited to 'tun')
-rw-r--r--tun/wintun/wintun_windows.go11
1 files changed, 6 insertions, 5 deletions
diff --git a/tun/wintun/wintun_windows.go b/tun/wintun/wintun_windows.go
index fb2cc22..23b09d1 100644
--- a/tun/wintun/wintun_windows.go
+++ b/tun/wintun/wintun_windows.go
@@ -277,6 +277,7 @@ func CreateInterface(description string, hwndParent uintptr) (*Wintun, bool, err
var wintun *Wintun
var rebootRequired bool
+ var key registry.Key
// Install the device.
err = devInfoList.CallClassInstaller(setupapi.DIF_INSTALLDEVICE, deviceData)
@@ -295,7 +296,7 @@ func CreateInterface(description string, hwndParent uintptr) (*Wintun, bool, err
// keys and values are populated.
// Wait for device registry key to emerge and populate.
- key, err := registryEx.OpenKeyWait(
+ key, err = registryEx.OpenKeyWait(
registry.LOCAL_MACHINE,
fmt.Sprintf("SYSTEM\\CurrentControlSet\\Control\\Class\\%v\\%04d", guid.ToString(&deviceClassNetGUID), deviceData.DevInst),
registry.QUERY_VALUE|registryEx.KEY_NOTIFY,
@@ -321,7 +322,7 @@ func CreateInterface(description string, hwndParent uintptr) (*Wintun, bool, err
if err == nil {
// Wait for network registry key to emerge and populate.
- key, err := registryEx.OpenKeyWait(
+ key, err = registryEx.OpenKeyWait(
registry.LOCAL_MACHINE,
wintun.GetNetRegKeyName(),
registry.QUERY_VALUE|registryEx.KEY_NOTIFY,
@@ -334,7 +335,7 @@ func CreateInterface(description string, hwndParent uintptr) (*Wintun, bool, err
if err == nil {
// Wait for TCP/IP adapter registry key to emerge and populate.
- key, err := registryEx.OpenKeyWait(
+ key, err = registryEx.OpenKeyWait(
registry.LOCAL_MACHINE,
wintun.GetTcpipAdapterRegKeyName(), registry.QUERY_VALUE|registryEx.KEY_NOTIFY,
waitForRegistryTimeout)
@@ -346,7 +347,7 @@ func CreateInterface(description string, hwndParent uintptr) (*Wintun, bool, err
if err == nil {
// Wait for TCP/IP interface registry key to emerge.
- key, err := registryEx.OpenKeyWait(
+ key, err = registryEx.OpenKeyWait(
registry.LOCAL_MACHINE,
wintun.GetTcpipInterfaceRegKeyName(), registry.QUERY_VALUE,
waitForRegistryTimeout)
@@ -361,7 +362,7 @@ func CreateInterface(description string, hwndParent uintptr) (*Wintun, bool, err
if err == nil {
// Disable dead gateway detection on our interface.
- key, err := registry.OpenKey(registry.LOCAL_MACHINE, wintun.GetTcpipInterfaceRegKeyName(), registry.SET_VALUE)
+ key, err = registry.OpenKey(registry.LOCAL_MACHINE, wintun.GetTcpipInterfaceRegKeyName(), registry.SET_VALUE)
if err != nil {
err = errors.New("Error opening interface-specific TCP/IP network registry key: " + err.Error())
}