@@ -46,7 +46,9 @@ func (r *multiReadSeeker) Seek(offset int64, whence int) (int64, error) {

 			rdrOffset := offset - tmpOffset

 			idx := i

-			rdr.Seek(rdrOffset, os.SEEK_SET)

+			if _, err := rdr.Seek(rdrOffset, os.SEEK_SET); err != nil {

+				return -1, err

+			}

 			// make sure all following readers are at 0

 			for _, rdr := range r.readers[i+1:] {

 				rdr.Seek(0, os.SEEK_SET)

@@ -67,7 +69,9 @@ func (r *multiReadSeeker) Seek(offset int64, whence int) (int64, error) {

 			}

 			tmpOffset += s

 		}

-		r.Seek(tmpOffset+offset, os.SEEK_SET)

+		if _, err := r.Seek(tmpOffset+offset, os.SEEK_SET); err != nil {

+			return -1, err

+		}

 		return tmpOffset + offset, nil

 	case os.SEEK_CUR:

 		if r.pos == nil {

@@ -226,6 +226,7 @@ func (fms *fileMetadataStore) TarSplitReader(layer ChainID) (io.ReadCloser, erro

 	}

 	f, err := gzip.NewReader(fz)

 	if err != nil {

+		fz.Close()

 		return nil, err

 	}