diff options
author | Jason A. Donenfeld <Jason@zx2c4.com> | 2019-08-28 08:39:26 -0600 |
---|---|---|
committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2019-08-28 08:39:26 -0600 |
commit | da28a3e9f3abc3e117a777452ba887090fd0ad98 (patch) | |
tree | f329168a2fb5a69de06b2786ecba40ae829ee157 | |
parent | 3bf3322b2c5b27aca852b12c3fabb2ce91d6f445 (diff) |
wintun: give better errors when ndis interface listing fails
-rw-r--r-- | tun/wintun/wintun_windows.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tun/wintun/wintun_windows.go b/tun/wintun/wintun_windows.go index bae1089..b558fd6 100644 --- a/tun/wintun/wintun_windows.go +++ b/tun/wintun/wintun_windows.go @@ -687,11 +687,11 @@ func (wintun *Wintun) deviceData() (setupapi.DevInfo, *setupapi.DevInfoData, err func (wintun *Wintun) AdapterHandle() (windows.Handle, error) { interfaces, err := setupapi.CM_Get_Device_Interface_List(wintun.devInstanceID, &deviceInterfaceNetGUID, setupapi.CM_GET_DEVICE_INTERFACE_LIST_PRESENT) if err != nil { - return windows.InvalidHandle, err + return windows.InvalidHandle, fmt.Errorf("Error listing NDIS interfaces: %v", err) } handle, err := windows.CreateFile(windows.StringToUTF16Ptr(interfaces[0]), windows.GENERIC_READ|windows.GENERIC_WRITE, windows.FILE_SHARE_READ|windows.FILE_SHARE_WRITE|windows.FILE_SHARE_DELETE, nil, windows.OPEN_EXISTING, 0, 0) if err != nil { - return windows.InvalidHandle, fmt.Errorf("Open NDIS device failed: %v", err) + return windows.InvalidHandle, fmt.Errorf("Error opening NDIS device: %v", err) } return handle, nil } |