diff options
Diffstat (limited to 'src/dev/ethertap.cc')
| -rw-r--r-- | src/dev/ethertap.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/dev/ethertap.cc b/src/dev/ethertap.cc index 81b84d179..c7b292c8a 100644 --- a/src/dev/ethertap.cc +++ b/src/dev/ethertap.cc @@ -130,6 +130,9 @@ EtherTap::EtherTap(const Params *p) : EtherObject(p), event(NULL), socket(-1), buflen(p->bufsz), dump(p->dump), interface(NULL), txEvent(this) { + if (ListenSocket::allDisabled()) + fatal("All listeners are disabled! EtherTap can't work!"); + buffer = new char[buflen]; listener = new TapListener(this, p->port); listener->listen(); |