using existing mechanism to flag for failures

(cherry picked from commit 9b20d91e)

cmd/helm/lint.go

@@ -97,13 +97,12 @@ func (l *lintCmd) run() error {
 
 	var total int
 	var failures int
-	rc := 0
 	for _, path := range l.paths {
 		if linter, err := lintChart(path, rvals, l.namespace, l.strict); err != nil {
 			fmt.Println("==> Skipping", path)
 			fmt.Println(err)
 			if err == errLintNoChart {
-				rc = 1
+				failures = failures + 1
 			}
 		} else {
 			fmt.Println("==> Linting", path)
@@ -131,10 +130,6 @@ func (l *lintCmd) run() error {
 
 	fmt.Fprintf(l.out, "%s, no failures\n", msg)
 
-	if rc != 0 {
-		os.Exit(rc)
-	}
-
 	return nil
 }