Improve context use

limiter.go

@@ -27,12 +27,7 @@ type dialJob struct {
 }
 
 func (dj *dialJob) cancelled() bool {
-	select {
-	case <-dj.ctx.Done():
-		return true
-	default:
-		return false
-	}
+	return dj.ctx.Err() != nil
 }
 
 func (dj *dialJob) dialTimeout() time.Duration {

swarm_listen.go

@@ -74,7 +74,9 @@ func (s *Swarm) AddListenAddr(a ma.Multiaddr) error {
 		for {
 			c, err := list.Accept()
 			if err != nil {
-				log.Warningf("swarm listener accept error: %s", err)
+				if s.ctx.Err() == nil {
+					log.Errorf("swarm listener accept error: %s", err)
+				}
 				return
 			}
 			log.Debugf("swarm listener accepted connection: %s", c)