eth/downloader: fix #1178, don't request blocks beyond the cache bounds

2015-06-04 14:51:14 +03:00
parent 8610314918
commit 28c32d1b1b
3 changed files with 35 additions and 15 deletions
--- a/eth/downloader/queue.go
+++ b/eth/downloader/queue.go
@ -225,7 +225,7 @@ func (q *queue) Reserve(p *peer) *fetchRequest {
 	skip := make(map[common.Hash]int)

 	capacity := p.Capacity()
-	for len(send) < space && len(send) < capacity && !q.hashQueue.Empty() {
+	for proc := 0; proc < space && len(send) < capacity && !q.hashQueue.Empty(); proc++ {
 		hash, priority := q.hashQueue.Pop()
 		if p.ignored.Has(hash) {
 			skip[hash.(common.Hash)] = int(priority)