change wait condition

Author: Hitenjain14

code/go/0chain.net/blobbercore/filestore/tree_validation.go

@@ -454,6 +454,8 @@ func (c *CommitHasher) Start(ctx context.Context, connID, allocID, fileName, fil
 			default:
 			}
 			toFinalize = true
+		} else if pq.DataBytes == 0 {
+			continue
 		}
 		logging.Logger.Info("hasher_pop", zap.Int64("offset", pq.Offset), zap.Int64("dataBytes", pq.DataBytes), zap.Any("toFinalize", toFinalize), zap.Int64("dataSize", c.dataSize), zap.String("filename", fileName), zap.Int64("totalWritten", totalWritten))
 		bufSize := 2 * BufferSize

code/go/0chain.net/blobbercore/seqpriorityqueue/seqpriorityqueue.go

@@ -78,7 +78,7 @@ func (pq *SeqPriorityQueue) Done(v UploadData) {
 
 func (pq *SeqPriorityQueue) Popup() UploadData {
 	pq.lock.Lock()
-	for pq.queue.Len() == 0 && !pq.done || (pq.queue.Len() > 0 && pq.queue[0].Offset > pq.next) {
+	for pq.queue.Len() == 0 || (!pq.done && pq.queue[0].Offset > pq.next) {
 		pq.cv.Wait()
 	}
 	if pq.done {