From 3a14b644802b5537edf14662e98306f7f5945031 Mon Sep 17 00:00:00 2001
From: saxon <saxon.milton@gmail.com>
Date: Tue, 29 Jan 2019 11:30:37 +1030
Subject: [PATCH] stream/mts/psi/psi.go: simplified HasDescriptor func

---
 stream/mts/psi/psi.go | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/stream/mts/psi/psi.go b/stream/mts/psi/psi.go
index 2f4ab5ad..c2e30f9e 100644
--- a/stream/mts/psi/psi.go
+++ b/stream/mts/psi/psi.go
@@ -261,12 +261,10 @@ func (p *PSIBytes) HasDescriptor(tag int) Descriptor {
 	if descs == nil {
 		return nil
 	}
-	for i := 0; i < len(descs); {
-		t := int(descs[i])
-		if t == tag {
+	for i := 0; i < len(descs); i += 2 + int(descs[i+1]) {
+		if int(descs[i]) == tag {
 			return descs[i : i+2+int(descs[i+1])]
 		}
-		i += 2 + int(descs[i+1])
 	}
 	return nil
 }