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scsi-generic: correct 6-bytes commands transfer length (Laurent Vivier)

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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 <Laurent.Vivier@bull.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5292 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2008-09-22 15:30:26 +00:00
parent 4f26a4867c
commit 72ecb8d9dd
1 changed files with 3 additions and 0 deletions
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3
hw/scsi-generic.c
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@ -352,6 +352,9 @@ static int scsi_length(uint8_t *cmd, int blocksize, int *cmdlen, uint32_t *len)
case 0: case 0:
*len = cmd[4]; *len = cmd[4];
*cmdlen = 6; *cmdlen = 6;
/* length 0 means 256 blocks */
if (*len == 0)
*len = 256;
break; break;
case 1: case 1:
case 2: case 2: