From c3c1628c1ddfdda254c756c6e12d5c176e3a52ac Mon Sep 17 00:00:00 2001
From: Jon Grimm <jon.grimm@gmail.com>
Date: Mon, 24 Sep 2012 10:43:07 -0500
Subject: [PATCH] read TOC: set XFER_NONE when xferlen==0 to match Ronnie's
 change

---
 lib/scsi-lowlevel.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/scsi-lowlevel.c b/lib/scsi-lowlevel.c
index 09d38eb..a536177 100644
--- a/lib/scsi-lowlevel.c
+++ b/lib/scsi-lowlevel.c
@@ -336,7 +336,11 @@ scsi_cdb_readtoc(int msf, int format, int track_session, uint32_t xferlen)
 	}
 
 	task->cdb_size = 10;
-	task->xfer_dir = SCSI_XFER_READ;
+	if (xferlen != 0) {
+		task->xfer_dir = SCSI_XFER_READ;
+	} else {
+		task->xfer_dir = SCSI_XFER_NONE;
+	}
 	task->expxferlen = xferlen;
 
 	task->params.readtoc.msf = msf;