From 7b55bb2dcd102f9ea06c83566bead4444fe7922a Mon Sep 17 00:00:00 2001
From: Zsolt Felfoldi <zsfelfoldi@gmail.com>
Date: Wed, 15 Aug 2018 21:14:35 +0200
Subject: [PATCH] light: for range

---
 light/postprocess.go | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/light/postprocess.go b/light/postprocess.go
index e7af7282a2..0b25e1d881 100644
--- a/light/postprocess.go
+++ b/light/postprocess.go
@@ -294,11 +294,7 @@ func (b *BloomTrieIndexerBackend) fetchMissingNodes(ctx context.Context, section
 	resCh := make(chan res, types.BloomBitLength)
 	for i := 0; i < 20; i++ {
 		go func() {
-			for {
-				bitIndex, ok := <-indexCh
-				if !ok {
-					return
-				}
+			for bitIndex := range indexCh {
 				r := &BloomRequest{BloomTrieRoot: root, BloomTrieNum: section - 1, BitIdx: bitIndex, SectionIdxList: []uint64{section - 1}}
 				for {
 					if err := b.odr.Retrieve(ctx, r); err == ErrNoPeers {