diff options
| -rw-r--r-- | eth/downloader/downloader.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go index d26995782..839969f03 100644 --- a/eth/downloader/downloader.go +++ b/eth/downloader/downloader.go @@ -1491,6 +1491,10 @@ func (d *Downloader) qosTuner() { func (d *Downloader) qosReduceConfidence() { // If we have a single peer, confidence is always 1 peers := uint64(d.peers.Len()) + if peers == 0 { + // Ensure peer connectivity races don't catch us off guard + return + } if peers == 1 { atomic.StoreUint64(&d.rttConfidence, 1000000) return |