common,udpmux: go lint

intra/common.go

@@ -7,7 +7,6 @@
 package intra
 
 import (
- "errors"
  "fmt"
  "math/rand"
  "net"
@@ -26,10 +25,6 @@ const smmchSize = 24
 // immediate is the wait time before sending a summary to the listener.
 var immediate = time.Duration(0)
 
-var (
- errNoAddr = errors.New("nil addr")
-)
-
 // TODO: Propagate TCP RST using local.Abort(), on appropriate errors.
 func upload(cid string, local net.Conn, remote net.Conn, ioch chan<- ioinfo) {
  defer core.Recover(core.Exit11, "c.upload: "+cid)
@@ -284,14 +279,6 @@ func splitCidPidUid(decision *Mark) (cid, pid, uid string) {
  return decision.CID, decision.PID, decision.UID
 }
 
-func ipp(addr net.Addr) (netip.AddrPort, error) {
- var zeroaddr = netip.AddrPort{}
- if addr == nil || core.IsNil(addr) {
- return zeroaddr, errNoAddr
- }
- return netip.ParseAddrPort(addr.String())
-}
-
 func conn2str(a net.Conn, b net.Conn) string {
  ar := a.RemoteAddr()
  br := b.RemoteAddr()

intra/udpmux.go

@@ -434,7 +434,6 @@ type muxTable struct {
 }
 
 type assocFn func(net, dst string) (net.PacketConn, error)
-type dissocFn func(src netip.AddrPort)
 
 func newMuxTable() *muxTable {
  return &muxTable{t: make(map[netip.AddrPort]*muxer)}