diff options
Diffstat (limited to 'tun_linux.go')
| -rw-r--r-- | tun_linux.go | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/tun_linux.go b/tun_linux.go index b43ded8..db9cb51 100644 --- a/tun_linux.go +++ b/tun_linux.go @@ -263,13 +263,7 @@ func (tun *NativeTun) MTU() (int, error) { return 0, errors.New("failed to get MTU of TUN device: " + strconv.FormatInt(int64(errno), 10)) } - // convert result to signed 32-bit int - - val := binary.LittleEndian.Uint32(ifr[16:20]) - if val >= (1 << 31) { - return int(toInt32(val)), nil - } - return int(val), nil + return int(*(*int32)(unsafe.Pointer(&ifr[16]))), nil } func (tun *NativeTun) Name() (string, error) { |