p2p/nat: fix #2291, NAT discovery did't abort on failure

64c8e2f2 · Péter Szilágyi · 8a3ce545 · 64c8e2f2
Commit 64c8e2f2 authored 9 years ago by Péter Szilágyi
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natupnp.go p2p/nat/natupnp.go +1 -0

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--- a/p2p/nat/natupnp.go
+++ b/p2p/nat/natupnp.go
@@ -139,6 +139,7 @@ func discoverUPnP() Interface {
 func discover(out chan<- *upnp, target string, matcher func(*goupnp.RootDevice, goupnp.ServiceClient) *upnp) {
 	devs, err := goupnp.DiscoverDevices(target)
 	if err != nil {
+		out <- nil
 		return
 	}
 	found := false