From 5ef22a978bcb4ca7026b3f778d46aaac4ebb46a5 Mon Sep 17 00:00:00 2001
From: Matt Joiner <anacrolix@gmail.com>
Date: Sun, 28 Jan 2018 16:02:14 +1100
Subject: [PATCH] Synchronize piece completion on piece hash failure

Pieces that were unknown, remained unknown despite hashing for that very reason.
---
 torrent.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/torrent.go b/torrent.go
index 976a04e3..f342de22 100644
--- a/torrent.go
+++ b/torrent.go
@@ -1486,7 +1486,6 @@ func (t *Torrent) pieceHashed(piece int, correct bool) {
 		if err != nil {
 			log.Printf("%T: error marking piece complete %d: %s", t.storage, piece, err)
 		}
-		t.updatePieceCompletion(piece)
 	} else {
 		if len(touchers) != 0 {
 			for _, c := range touchers {
@@ -1507,7 +1506,9 @@ func (t *Torrent) pieceHashed(piece int, correct bool) {
 			c.Drop()
 		}
 		t.onIncompletePiece(piece)
+		p.Storage().MarkNotComplete()
 	}
+	t.updatePieceCompletion(piece)
 }
 
 func (t *Torrent) cancelRequestsForPiece(piece int) {