diff options
| -rw-r--r-- | tun_darwin.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tun_darwin.go b/tun_darwin.go index ef84967..772f311 100644 --- a/tun_darwin.go +++ b/tun_darwin.go @@ -100,8 +100,8 @@ func (tun *NativeTun) RoutineRouteListener(tunIfindex int) { func CreateTUN(name string) (TUNDevice, error) { ifIndex := -1 if name != "utun" { - fmt.Sscanf(name, "utun%d", &ifIndex) - if ifIndex < 0 { + _, err := fmt.Sscanf(name, "utun%d", &ifIndex) + if err != nil || ifIndex < 0 { return nil, fmt.Errorf("Interface name must be utun[0-9]*") } } |