refactor: inline connectionTracker.performFlowWalk

probe/endpoint/connection_tracker.go

@@ -91,24 +91,17 @@ func (t *connectionTracker) ReportConnections(rpt *report.Report) {
 		t.useProcfs()
 	}
 
-	// seenTuples contains information about connections seen by
-	// conntrack
-	seenTuples := t.performFlowWalk(rpt)
-
-	if t.conf.WalkProc && t.conf.Scanner != nil {
-		t.performWalkProc(rpt, hostNodeID, seenTuples)
-	}
-}
-
-// performFlowWalk consults the flowWalker for short-lived connections
-func (t *connectionTracker) performFlowWalk(rpt *report.Report) map[string]fourTuple {
+	// consult the flowWalker for short-lived (conntracked) connections
 	seenTuples := map[string]fourTuple{}
 	t.flowWalker.walkFlows(func(f flow, alive bool) {
 		tuple := flowToTuple(f)
 		seenTuples[tuple.key()] = tuple
 		t.addConnection(rpt, false, tuple, "", nil, nil)
 	})
-	return seenTuples
+
+	if t.conf.WalkProc && t.conf.Scanner != nil {
+		t.performWalkProc(rpt, hostNodeID, seenTuples)
+	}
 }
 
 func (t *connectionTracker) existingFlows() map[string]fourTuple {