From 0388ec1eeee8ab3a90e8730a4266f4be620d30de Mon Sep 17 00:00:00 2001
From: Matt Joiner <anacrolix@gmail.com>
Date: Tue, 29 Aug 2017 15:16:53 +1000
Subject: [PATCH] Synchronize Torrent.Info

---
 client.go  | 4 ++--
 reader.go  | 6 +++---
 t.go       | 4 ++--
 torrent.go | 2 +-
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/client.go b/client.go
index 035af50d..d81697b8 100644
--- a/client.go
+++ b/client.go
@@ -141,8 +141,8 @@ func (cl *Client) WriteStatus(_w io.Writer) {
 			fmt.Fprint(w, t.name())
 		}
 		fmt.Fprint(w, "\n")
-		if t.Info() != nil {
-			fmt.Fprintf(w, "%f%% of %d bytes (%s)", 100*(1-float64(t.bytesMissingLocked())/float64(t.Info().TotalLength())), t.length, humanize.Bytes(uint64(t.Info().TotalLength())))
+		if t.info != nil {
+			fmt.Fprintf(w, "%f%% of %d bytes (%s)", 100*(1-float64(t.bytesMissingLocked())/float64(t.info.TotalLength())), t.length, humanize.Bytes(uint64(t.info.TotalLength())))
 		} else {
 			w.WriteString("<missing metainfo>")
 		}
diff --git a/reader.go b/reader.go
index 7da3b48a..5afab9aa 100644
--- a/reader.go
+++ b/reader.go
@@ -195,9 +195,9 @@ func (r *Reader) readOnceAt(b []byte, pos int64, ctxErr *error) (n int, err erro
 			}
 		}
 		b1 := b[:avail]
-		pi := int(pos / r.t.Info().PieceLength)
-		ip := r.t.Info().Piece(pi)
-		po := pos % r.t.Info().PieceLength
+		pi := int(pos / r.t.info.PieceLength)
+		ip := r.t.info.Piece(pi)
+		po := pos % r.t.info.PieceLength
 		missinggo.LimitLen(&b1, ip.Length()-po)
 		n, err = r.t.readAt(b1, pos)
 		if n != 0 {
diff --git a/t.go b/t.go
index abd9d354..13722d8a 100644
--- a/t.go
+++ b/t.go
@@ -24,6 +24,8 @@ func (t *Torrent) GotInfo() <-chan struct{} {
 
 // Returns the metainfo info dictionary, or nil if it's not yet available.
 func (t *Torrent) Info() *metainfo.Info {
+	t.cl.mu.Lock()
+	defer t.cl.mu.Unlock()
 	return t.info
 }
 
@@ -161,9 +163,7 @@ func (t *Torrent) CancelPieces(begin, end int) {
 // Returns handles to the files in the torrent. This requires the metainfo is
 // available first.
 func (t *Torrent) Files() (ret []File) {
-	t.cl.mu.Lock()
 	info := t.Info()
-	t.cl.mu.Unlock()
 	if info == nil {
 		return
 	}
diff --git a/torrent.go b/torrent.go
index c2be1f06..eb4f7a7d 100644
--- a/torrent.go
+++ b/torrent.go
@@ -442,7 +442,7 @@ func (t *Torrent) writeStatus(w io.Writer) {
 			return "?"
 		}
 	}())
-	if t.Info() != nil {
+	if t.info != nil {
 		fmt.Fprintf(w, "Num Pieces: %d\n", t.numPieces())
 		fmt.Fprint(w, "Piece States:")
 		for _, psr := range t.pieceStateRuns() {
-- 
2.48.1