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authorPaolo Bonzini <pbonzini@redhat.com>2018-10-23 00:58:21 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2018-11-06 21:35:06 +0100
commit763c56872b08b98fde062a1feca003f200e7bd5c (patch)
tree4ffff79e545d8182956f63afa5799cf01989daf0 /hw/scsi
parent3d4a8bf0eed68a781e06118e4d1df6e2f106a1f2 (diff)
scsi-generic: do not do VPD emulation for sense other than ILLEGAL_REQUEST
Pass other sense, such as UNIT_ATTENTION or BUSY, directly to the guest. Reported-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/scsi')
-rw-r--r--hw/scsi/scsi-generic.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c
index b50ce642d7..7237b4162e 100644
--- a/hw/scsi/scsi-generic.c
+++ b/hw/scsi/scsi-generic.c
@@ -246,7 +246,6 @@ static void scsi_read_complete(void * opaque, int ret)
{
SCSIGenericReq *r = (SCSIGenericReq *)opaque;
SCSIDevice *s = r->req.dev;
- SCSISense sense;
int len;
assert(r->req.aiocb != NULL);
@@ -269,11 +268,14 @@ static void scsi_read_complete(void * opaque, int ret)
* resulted in sense error but would need emulation.
* In this case, emulate a valid VPD response.
*/
- if (s->needs_vpd_bl_emulation &&
+ if (s->needs_vpd_bl_emulation && ret == 0 &&
+ (r->io_header.driver_status & SG_ERR_DRIVER_SENSE) &&
r->req.cmd.buf[0] == INQUIRY &&
(r->req.cmd.buf[1] & 0x01) &&
r->req.cmd.buf[2] == 0xb0) {
- if (sg_io_sense_from_errno(-ret, &r->io_header, &sense)) {
+ SCSISense sense =
+ scsi_parse_sense_buf(r->req.sense, r->io_header.sb_len_wr);
+ if (sense.key == ILLEGAL_REQUEST) {
len = scsi_generic_emulate_block_limits(r, s);
/*
* No need to let scsi_read_complete go on and handle an