From e530ff93c437d5a843687ad17c6e5353a7cd6421 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Magiera?= <magik6k@gmail.com>
Date: Mon, 15 Jun 2020 19:59:20 +0200
Subject: [PATCH] ffiwrapper: Close the correct end of the pipe in unseal

---
 ffiwrapper/sealer_cgo.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ffiwrapper/sealer_cgo.go b/ffiwrapper/sealer_cgo.go
index 0beb9b86c..d17aed272 100644
--- a/ffiwrapper/sealer_cgo.go
+++ b/ffiwrapper/sealer_cgo.go
@@ -329,7 +329,7 @@ func (sb *Sealer) UnsealPiece(ctx context.Context, sector abi.SectorID, offset s
 			uint64(at.Unpadded()),
 			uint64(abi.PaddedPieceSize(piece.Len).Unpadded()))
 
-		_ = opr.Close()
+		_ = opw.Close()
 
 		if err != nil {
 			return xerrors.Errorf("unseal range: %w", err)