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-rw-r--r--feature/relayserver/relayserver.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/feature/relayserver/relayserver.go b/feature/relayserver/relayserver.go
index 4f23ae18e..531841408 100644
--- a/feature/relayserver/relayserver.go
+++ b/feature/relayserver/relayserver.go
@@ -74,6 +74,7 @@ func newExtension(logf logger.Logf, sb ipnext.SafeBackend) (ipnext.Extension, er
},
logf: logger.WithPrefix(logf, featureName+": "),
}
+ syncs.RegisterMutex(&e.mu, "relayserver.extension.mu")
e.ec = sb.Sys().Bus.Get().Client("relayserver.extension")
e.respPub = eventbus.Publish[magicsock.UDPRelayAllocResp](e.ec)
eventbus.SubscribeFunc(e.ec, e.onDERPMapView)