Merge pull request #3492 from filecoin-project/fix/readpiece-panic

ffiwrapper: Fix ReadPiece panic
filecoin-project · Sep 2, 2020 · b774563 · b774563
2 parents 5aeabe3 + ca7aa69
commit b774563
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/extern/sector-storage/ffiwrapper/sealer_cgo.go b/extern/sector-storage/ffiwrapper/sealer_cgo.go
@@ -371,7 +371,11 @@ func (sb *Sealer) ReadPiece(ctx context.Context, writer io.Writer, sector abi.Se
 	maxPieceSize := abi.PaddedPieceSize(sb.ssize)
 
 	pf, err := openPartialFile(maxPieceSize, path.Unsealed)
-	if xerrors.Is(err, os.ErrNotExist) {
+	if err != nil {
+		if xerrors.Is(err, os.ErrNotExist) {
+			return false, nil
+		}
+
 		return false, xerrors.Errorf("opening partial file: %w", err)
 	}