diff options
| author | Filippo Valsorda <hi@filippo.io> | 2018-05-20 23:38:58 -0400 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2018-05-21 20:21:31 +0200 |
| commit | 7a527f7c89fe7929e2bc2c7e38be4862f24cc494 (patch) | |
| tree | 302e50359164bd4283e0a2f0ea3a415a790f1b88 | |
| parent | 84f52ce0d690c2377b032c8fc42b591930822d7e (diff) | |
Fix Sscanf use in tun_darwin
License: MIT
Signed-off-by: Filippo Valsorda <valsorda@google.com>
| -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]*") } } |