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[Qemu-devel] [5292] scsi-generic: correct 6-bytes commands transfer leng
From: |
Anthony Liguori |
Subject: |
[Qemu-devel] [5292] scsi-generic: correct 6-bytes commands transfer length ( Laurent Vivier) |
Date: |
Mon, 22 Sep 2008 15:30:27 +0000 |
Revision: 5292
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5292
Author: aliguori
Date: 2008-09-22 15:30:26 +0000 (Mon, 22 Sep 2008)
Log Message:
-----------
scsi-generic: correct 6-bytes commands transfer length (Laurent Vivier)
According to SCSI documentation, for 6 bytes commands (READ(6),
WRITE(6)), if transfer length is 0 it specifies 256 blocks.
Signed-off-by: Laurent Vivier <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
Modified Paths:
--------------
trunk/hw/scsi-generic.c
Modified: trunk/hw/scsi-generic.c
===================================================================
--- trunk/hw/scsi-generic.c 2008-09-22 15:27:54 UTC (rev 5291)
+++ trunk/hw/scsi-generic.c 2008-09-22 15:30:26 UTC (rev 5292)
@@ -352,6 +352,9 @@
case 0:
*len = cmd[4];
*cmdlen = 6;
+ /* length 0 means 256 blocks */
+ if (*len == 0)
+ *len = 256;
break;
case 1:
case 2:
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