diff options
| author | aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-09-22 15:30:26 +0000 |
|---|---|---|
| committer | aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-09-22 15:30:26 +0000 |
| commit | 72ecb8d9dd339d8c7f3227b25b98b726e3933ebd (patch) | |
| tree | 40ca935ebf2d717b46c9fb36cd8b73c511ffab32 /hw/scsi-generic.c | |
| parent | 4f26a4867cf09fc486cd68a1e05a018767290260 (diff) | |
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 <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
Diffstat (limited to 'hw/scsi-generic.c')
| -rw-r--r-- | hw/scsi-generic.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/scsi-generic.c b/hw/scsi-generic.c index 88147b5df0..e23276f90c 100644 --- a/hw/scsi-generic.c +++ b/hw/scsi-generic.c @@ -352,6 +352,9 @@ static int scsi_length(uint8_t *cmd, int blocksize, int *cmdlen, uint32_t *len) case 0: *len = cmd[4]; *cmdlen = 6; + /* length 0 means 256 blocks */ + if (*len == 0) + *len = 256; break; case 1: case 2: |