From 09017ad8bfd173644db4d218c023067129e3d3d7 Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Wed, 29 Nov 2017 15:15:39 +0000
Subject: [PATCH] Correctly check transfer size for compact disc dumping.

---
 DiscImageChef.Core/Devices/Dumping/CompactDisc.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/DiscImageChef.Core/Devices/Dumping/CompactDisc.cs b/DiscImageChef.Core/Devices/Dumping/CompactDisc.cs
index 8a5095c9..171547e5 100644
--- a/DiscImageChef.Core/Devices/Dumping/CompactDisc.cs
+++ b/DiscImageChef.Core/Devices/Dumping/CompactDisc.cs
@@ -501,7 +501,7 @@ namespace DiscImageChef.Core.Devices.Dumping
                 {
                     sense = dev.ReadCd(out readBuffer, out senseBuf, 0, blockSize, blocksToRead, MmcSectorTypes.AllTypes, false, false, true, MmcHeaderCodes.AllHeaders,
                         true, true, MmcErrorField.None, MmcSubchannel.Raw, dev.Timeout, out duration);
-                    if(dev.Error)
+                    if(dev.Error || sense)
                         blocksToRead /= 2;
                 }
 
@@ -509,7 +509,7 @@ namespace DiscImageChef.Core.Devices.Dumping
                     break;
             }
 
-            if(dev.Error)
+            if(dev.Error || sense)
             {
                 DicConsole.WriteLine("Device error {0} trying to guess ideal transfer length.", dev.LastError);
                 DicConsole.ErrorWriteLine("Device error {0} trying to guess ideal transfer length.", dev.LastError);